MESON Chess Problem Database
Problem Display
PID: 262941 (b1rb2nQ/R1p3rB/KP6/1P4p1/1N6/8/1p6/k5BR w - - 0 1)
Somma, Francesco
O Globo, 1934
(First published on Mon Jan 29 1934)
#2
9 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Bb7+
- 2.Kxb7#
- 1...b1Q
- 2.Bd4#
- 1...b1S
- 2.Bd4#
- 1...b1B
- 2.Bd4#
- 1...b1R
- 2.Bd4#
- 1...c6
- 2.Bd4#
- 1...Bb7+
- Tries
- 1.Bf2+?
- 1...b1Q
- 2.Bd4#
- 2.Rxb1#
- 1...b1S
- 2.Bd4#
- 2.Rxb1#
- 1...b1B
- 2.Bd4#
- 2.Rxb1#
- 1...b1R
- 2.Bd4#
- 2.Rxb1#
- 1...Bxh1!
- 1...b1Q
- 1.Bh2+?
- 1...b1Q
- 2.Be5#
- 2.Rxb1#
- 1...b1S
- 2.Be5#
- 2.Rxb1#
- 1...b1B
- 2.Be5#
- 2.Rxb1#
- 1...b1R
- 2.Be5#
- 2.Rxb1#
- 1...Bxh1!
- 1...b1Q
- 1.Be3+?
- 1...b1Q
- 2.Bd4#
- 2.Rxb1#
- 1...b1S
- 2.Bd4#
- 2.Rxb1#
- 1...b1B
- 2.Bd4#
- 2.Rxb1#
- 1...b1R
- 2.Bd4#
- 2.Rxb1#
- 1...Bxh1!
- 1...b1Q
- 1.Bc5+?
- 1...b1Q
- 2.Bd4#
- 2.Rxb1#
- 1...b1S
- 2.Bd4#
- 2.Rxb1#
- 1...b1B
- 2.Bd4#
- 2.Rxb1#
- 1...b1R
- 2.Bd4#
- 2.Rxb1#
- 1...Bxh1!
- 1...b1Q
- 1.Bf2+?
- Keys
- 1.b7!
- threat
- 2.Bd4#
- 1...Rg6+
- 2.Bb6#
- 1...Bxb7+
- 2.Kxb7#
- 1...Rxh7
- 2.Bh2#
- 1...Re7
- 2.Be3#
- 1...Rf7
- 2.Bf2#
- threat
- 1.b7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- B(f);CHECK::R(G)+K(E),XB(f)
- P(b);P_SPINR(e),S_CUTB(f)::B(A)
- P(d);S_CUTB(f)::R(B)+B(A)
- Tries
- Try
- B(A);CHECK
- Refutation
- B(f);XR(B)
- Try
- B(A);CHECK
- Refutation
- B(f);XR(B)
- Try
- B(A);CHECK
- Refutation
- B(f);XR(B)
- Try
- B(A);CHECK
- Refutation
- B(f);XR(B)
- Try
- Actual
- P(F);
- Threat
- R(B)+B(A)
- Vars
- R(e);CHECK,P_SPINP(b)::R(B)+B(A)
- B(f);CHECK,XP(F)::R(G)+K(E),XB(f)
- R(e);P_SPINP(b),XB(H)::R(B)+B(A)
- R(e);P_SPINP(b)::R(B)+B(A)
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