14. Grandprix de Monthey Standard

SwissStandard

70 players participated in this 4-round tournament, held from 15 Nov 2025 to 16 Nov 2025 in Monthey, Switzerland. 7 titled players from 4 federations. Top 10 Elo average was 2281, and top seed was Mishra Swayams (🇮🇳 IND, GM, 2444).

Chloe Longepierre (🇨🇭 SUI, 1781) won with 3.5/4, ahead of Mishra Swayams (3.0) and Luis Rafael Collado Reynoso (3.0). Longepierre clinched sole first place in the final round.

The biggest upset came in round 4: Jean-Paul Stierli (1663) beat Goncalo Varela Tavares (1967), a +304-point gap.

Location

🇨🇭Monthey, Switzerland

Dates

15 Nov 2025 → 16 Nov 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 4 rounds

Top seed

🇮🇳GMMishra Swayams2444

Avg top 10

2,281

Participants

Titled players · 7

GM×2

IM×1

FM×2

CM×1

WFM×1

Federations · 4 represented

🇨🇭Switzerland×61

🇫🇷France×3

🇧🇪Belgium×2

🇮🇳India×1

Top 3

🥇
Chloe Longepierre
🇨🇭SUI·1781
3.5pts·2135perf+26.2
🥈
GMMishra Swayams
🇮🇳IND·2444
3.0pts·2469perf+1.5
🥉
Luis Rafael Collado Reynoso
🇨🇭SUI
3.0pts·1793perf0.0

How it unfolded

Top 6 · 4 rounds

Chloe Longepierre led from R4; +0.5-point edge over the runner-up.

Co-leaders

Longepierre3.5Artan3Sola3Cordey3Decuigniere3Stijve3— ex-leaders:Longepierreled R4, #18Brodaled R3, #22

R4 · LEADER CHANGE16 Nov

Chloe Longepierre takes the sole lead (3.5/4).

R4 · FORMER LEADER FALL

Chloe Longepierre held the sole lead at R4 but finished #18.

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	Pts	Bu C1	Bu	SB	Perf	Δ
1	Longepierre, Chloe	1781	SUI	+22B	+3N	=16B	+58N	3.5	8.0	9.0	7.75	2135	+26.2
2	Swayams, MishraGM	2444	IND	+35B	+15N	=5B	=6N	3.0	8.5	10.5	7.50	2469	+1.5
3	Collado Reynoso, Luis Rafael	0	SUI	+24N	−1B	+40N	+34B	3.0	8.0	10.0	6.50	1793	0.0
4	Emmott, Steven	1786	SUI	+51N	+26B	−28N	+12B	3.0	7.5	9.0	7.00	1847	+4.6
5	Decuigniere, TomIM	2394	FRA	+47B	=14N	=2N	+30B	3.0	7.5	9.0	6.25	2510	+6.1
6	Colmenares, AurelioFM	2308	SUI	=14B	+29N	+47B	=2B	3.0	7.5	9.0	6.25	2538	+12.0
7	Artan, Tamir	2071	SUI	+28N	+19B	−14N	+31B	3.0	7.0	9.0	6.50	2205	+26.0
8	Stijve, Niels	2115	SUI	−15N	+33N	+37B	+20N	3.0	7.0	9.0	6.50	2123	+2.6
9	Python, Noe	2064	SUI	+27N	+21B	−30N	+28B	3.0	6.5	8.5	6.50	2148	+8.8
10	Sola, Flavien	2045	FRA	+18N	+48B	−29N	+27N	3.0	6.5	8.0	6.00	2220	+17.4
11	Cordey, Colin	1928	SUI	+60B	+32N	=17B	=47N	3.0	6.0	7.0	5.00	2111	+18.6
12	Broda, Laszlo	0	SUI	+?N	+65B	+33N	−4N	3.0	6.0	6.0	3.00	1743	0.0
13	Stierli, Jean-Paul	1663	SUI	+57N	−27B	+44N	+59B	3.0	5.5	6.5	4.50	1922	+12.6
14	Dgebuadze, AlexandreGM	2401	BEL	=6N	=5B	+7B	=15N	2.5	9.0	11.5	7.25	2333	-3.0
15	Pahud, Cedric	2180	SUI	+8B	−2B	+31N	=14B	2.5	8.5	10.5	6.25	2309	+13.4
16	Wiesmann, Dominique	2018	SUI	−19N	+41B	=1N	+53B	2.5	8.0	9.5	5.25	1884	-12.8
17	Chervet, Olivier	1929	SUI	=36N	+53B	=11N	=21N	2.5	7.5	9.0	5.25	1934	+0.4
18	Wehrli, Tobias	1863	SUI	−10B	+38N	=48N	+25B	2.5	7.5	9.0	5.25	1945	+9.6
19	Marcacci, Anthony	1857	SUI	+16B	−7N	=39N	+48B	2.5	7.5	9.0	5.00	2137	+29.2
20	Perruchoud, Pierre	1915	SUI	+54B	=59B	+34N	−8B	2.5	6.5	7.5	4.00	1952	+2.8
21	Riand, Jean-Yves	1833	SUI	+58B	−9N	+59N	=17B	2.5	6.5	7.5	3.25	2079	+25.8
22	Koehler, Noe	1593	SUI	−1N	+68B	=50B	+52N	2.5	6.5	6.5	2.25	1794	+30.8
23	Parmelin, Evan	1990	SUI	=32B	−31N	+41B	+56N	2.5	6.0	7.5	4.50	1911	-16.0
24	Cherix, Lily	1773	SUI	−3B	+67N	=38B	+60N	2.5	6.0	6.0	2.00	1846	+6.8
25	Pahud, Kylian	1687	SUI	+62B	+50N	=49B	−18N	2.5	5.5	6.5	3.25	1876	+28.8
26	Juchler, Celine	1648	SUI	+69B	−4N	+64B	=49N	2.5	5.5	5.5	1.75	1665	+0.4
27	Moesching, Colin	1871	SUI	−9B	+13N	+43N	−10B	2.0	9.0	11.0	5.00	1873	-0.4
28	Callealta, Andres	1893	SUI	−7B	+52N	+4B	−9N	2.0	9.0	10.5	4.50	1920	+2.6
29	Pourquet, MatthieuFM	2328	FRA	=30N	−6B	+10B	=35N	2.0	8.0	10.0	5.00	2197	-13.4
30	Fernandes Barbosa Dos Santos, GabrielCM	2215	SUI	=29B	=35N	+9B	−5N	2.0	8.0	10.0	5.00	2252	+7.6
31	Rappaz, Pierre-M.	1895	SUI	+66N	+23B	−15B	−7N	2.0	8.0	8.5	3.00	1955	+4.0
32	Candelier, Lucas	1847	SUI	=23N	−11B	=51N	+43B	2.0	7.5	9.0	4.00	1816	-6.0
33	Duc, Jeremy	1762	SUI	+55N	−8B	−12B	+61N	2.0	7.5	8.5	2.50	1846	+3.0
34	Rouiller, Leonard	1774	SUI	+42N	+66B	−20B	−3N	2.0	7.5	8.0	2.50	1756	-0.8
35	Papaux, Steve	2220	SUI	−2N	=30B	+36N	=29B	2.0	7.0	9.0	4.00	2202	0.0
36	Lanois, Herve	1808	SUI	=17B	+49N	−35B	=39B	2.0	6.5	8.0	3.75	2022	+20.4
37	Machoud, Pascal	1860	SUI	−48N	+40B	−8N	+51B	2.0	6.5	8.0	3.50	1867	+0.4
38	Frei, Gustav	1617	SUI	+68N	−18B	=24N	=54B	2.0	6.5	6.5	2.00	1622	+0.2
39	Michaud, Christian	2029	SUI	+50B	−47N	=19B	=36N	2.0	6.0	7.5	3.75	1931	-10.2
40	Fluckiger, Benoit	1689	SUI	+61B	−37N	−3B	+64N	2.0	6.0	7.0	2.00	1060	-5.4
41	Lesniak, Julien	1733	SUI	+63B	−16N	−23N	+66B	2.0	6.0	6.5	1.50	1784	+2.8
42	Rumasuglia, Mattia	1595	SUI	−34B	+61N	−58B	+45N	2.0	5.0	6.0	3.00	1074	-14.4
43	Belmadani, Naim	1720	SUI	+67B	+58N	−27B	−32N	2.0	5.0	5.0	1.00	1774	+7.6
44	Crose, Kenzo	0	SUI	−52B	+69N	−13B	+?N	2.0	4.5	4.5	0.00	1590	0.0
45	Abbou, Jonas	0	SUI	−?B	+?N	+62N	−42B	2.0	3.0	3.0	1.00	819	0.0
46	Rudaz, Boris	0	SUI	+?N	−60N	=?B	=?N	2.0	1.0	1.0	0.00	1523	0.0
47	Gemelli,Romain	2207	SUI	−5N	+39B	−6N	=11B	1.5	9.0	11.0	3.50	2078	-13.8
48	Gorshkova, IrinaWFM	2048	BEL	+37B	−10N	=18B	−19N	1.5	8.0	10.0	3.25	1817	-24.8
49	Favre, Gilles	1923	SUI	=53N	−36B	=25N	=26B	1.5	7.0	8.5	3.25	1646	-58.4
50	Tabin, Rene	1850	SUI	−39N	−25B	=22N	+55B	1.5	7.0	8.5	2.75	1635	-22.6
51	Walker, Dacian	1624	SUI	−4B	+63N	=32B	−37N	1.5	7.0	8.0	2.00	1718	+17.2
52	Michel, Jean-claude	1751	SUI	+44N	−28B	=55N	−22B	1.5	6.5	8.0	2.75	1415	-25.0
53	Burger, Raphael	1788	SUI	=49B	−17N	+60B	−16N	1.5	6.5	7.5	1.75	1803	+0.8
54	Beaumann, Swann	0	SUI	−20N	+?N	−56B	=38N	1.5	6.0	6.0	1.00	1676	0.0
55	Jordan, Marius	1577	SUI	−33B	+62N	=52B	−50N	1.5	5.0	6.0	1.75	1515	-8.0
56	Lovey, Fabrice	1804	SUI	=59N	F	+54N	−23B	1.5	5.0	5.0	2.00	1786	-0.2
57	Da Silva Lopes, Pedro Miguel	0	SUI	−13B	=?N	=?B	=63N	1.5	4.0	4.0	0.50	1602	0.0
58	Bur, Alexandre	1972	SUI	−21N	−43B	+42N	−1B	1.0	8.0	10.0	2.00	1539	-43.2
59	Varela Tavares, Goncalo	1967	SUI	=56B	=20N	−21B	−13N	1.0	8.0	9.5	2.00	1607	-36.8
60	Jegge, Arthur	1688	SUI	−11N	+46B	−53N	−24B	1.0	7.5	9.0	2.00	1030	-18.8
61	Reymond, Evan	0	SUI	−40N	−42B	+67N	−33B	1.0	6.0	6.0	0.00	880	0.0
62	Willy, Nicolas	0	SUI	−25N	−55B	−45B	+70N	1.0	6.0	6.0	0.00	834	0.0
63	Farine, Amael	1718	SUI	−41N	−51B	=66N	=57B	1.0	5.0	5.5	1.00	879	-44.4
64	Mena Sancho, Maria-Rosa	0	SUI	F	+?N	−26N	−40B	1.0	4.5	4.5	0.00	865	0.0
65	Rod, Antoine	0	SUI	−?B	−12N	+?B	−?N	1.0	3.0	3.0	0.00	887	0.0
66	Zajaczkowski, Mathias	0	SUI	−31B	−34N	=63B	−41N	0.5	6.0	7.0	0.50	1458	0.0
67	Gubser, Nadim	0	SUI	−43N	−24B	−61B	−?N	0.0	5.5	5.5	0.00	947	0.0
68	FIDE 669806	0	—	−38B	−22N	−?B	F	0.0	4.5	4.5	0.00	808	0.0
69	FIDE 1380427	0	—	−26N	−44B	−?B	−?N	0.0	4.5	4.5	0.00	848	0.0
70	FIDE 1380435	0	—	−?B	−?N	F	−62B	0.0	1.0	1.0	0.00	814	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Koehler, NoeSUI
+30.8
2.5 pts · #33
2Marcacci, AnthonySUI
+29.2
2.5 pts · #10
3Pahud, KylianSUI
+28.8
2.5 pts · #41

Top rating losers

1Favre, GillesSUI
-58.4
1.5 pts · #30
2Farine, AmaelSUI
-44.4
1.0 pts · #69
3Bur, AlexandreSUI
-43.2
1.0 pts · #43

Biggest upsets

R4+304 Elo gap
Stierli, Jean-Paul1663 beat Varela Tavares, Goncalo1967
R2+252 Elo gap
Belmadani, Naim1720 beat Bur, Alexandre1972
R4+191 Elo gap
Longepierre, Chloe1781 beat Bur, Alexandre1972