Player profile
Monterrosa Rafael Alfonso
Dossier
8 of 9 games analyzed.
Accuracy: 82.5%
Opened e4: 2/3Opened c4: 1/3
Castled kingside: 6Same-side castling: 4Did not castle: 1Castled queenside: 1Opposite-side castling: 1
Played in the center: 5Played on the kingside: 4Fianchettoed kingside: 3Fianchettoed queenside: 1
Backward pawn: 7Active pieces: 6Sacrificed material: 6Space advantage: 5Avoided exchanges: 5Missed tactics: 4Kept the bishop pair: 4Isolated pawn: 3Initiated exchanges: 3
Openings
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As White 4 games 1W 0D 3L
Sicilian Defense 1 game 0W 0D 1L
Modern Variations 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Philidor Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
English Opening 1 game 0W 0D 1L
King's English Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Zukertort Opening 1 game 0W 0D 1L
Old Indian Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 5 games 1W 0D 4L
Philidor Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Indian Defense 1 game 0W 0D 1L
Anti-Grünfeld 1 game 0W 0D 1L
Alekhine Variation
1 game
0W
0D
1L
King's Indian Defense 1 game 0W 0D 1L
Normal Variation 1 game 0W 0D 1L
King's Knight Variation
1 game
0W
0D
1L
Sicilian Defense 1 game 0W 0D 1L
Old Sicilian 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 0W 0D 1L
Agincourt Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 48
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 9 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.15 | Round 9: Kaciusis, Daniel - Monterrosa Rafael Alfonso | 9.18 | 2026.10.15 Kaciusis, Daniel (3009114) (1626) | 1 | 84.20% | 1. e4 e5 2. Nf3 d6 3. Bc4 Nf6 | |
| 2026.10.14 | Round 8: Monterrosa Rafael Alfonso - Anzora, Oscar | 8.17 | 2026.10.14 Anzora, Oscar (6700535) (1523) | 0 | 78.10% | 1. e4 c5 2. Nf3 d6 3. c4 Nf6 | |
| 2026.10.14 | Round 7: Barria Valdez, Blass Ernesto - Monterrosa Rafael Alfonso | 7.17 | 2026.10.14 Barria Valdez, Blass Ernesto (6600069) (1743) | 0 | 83.10% | 1. d4 Nf6 2. c4 g6 3. f3 b6 | |
| 2026.10.13 | Round 6: Monterrosa Rafael Alfonso - Pomares Herrera, Efrain | 6.18 | 2026.10.13 Pomares Herrera, Efrain (6519857) (1524) | 1 | 93.20% | 1. e4 e5 2. Nf3 d6 3. a3 f6 | |
| 2026.10.12 | Round 5: Navarrete, Marco Vinicio - Monterrosa Rafael Alfonso | 5.18 | 2026.10.12 Navarrete, Marco Vinicio (6705545) (1554) | 0 | 75.80% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | |
| 2026.10.12 | Round 4: Monterrosa Rafael Alfonso - Santiso, Daniel | 4.14 | 2026.10.12 Santiso, Daniel (197157) (1844) | 0 | 76.30% | 1. c4 e5 2. d3 Nc6 3. a3 f5 | |
| 2026.10.11 | Round 3: Barandiaran, Gabriel - Monterrosa Rafael Alfonso | 3.13 | 2026.10.11 Barandiaran, Gabriel (3004694) (1838) | 0 | 81.50% | 1. e4 c5 2. Nf3 Nc6 3. b3 d6 | |
| 2026.10.11 | Round 2: Monterrosa Rafael Alfonso - Orizondo, Hugo | 2.8 | 2026.10.11 Orizondo, Hugo (2013177) (2016) | 0 | - | 1. Nf3 d5 2. d3 Nf6 3. b3 c5 | |
| 2025.09.13 | Ronda 7: Villalobos Hernandez, Pedro Roberto - Monterrosa Rafael Alfonso | 7.9 | 2025.09.13 Villalobos Hernandez, Pedro Roberto (6711928) (1524) | 0 | 87.50% | 1. c4 e6 2. Nc3 Be7 3. g3 Nf6 |