MESON Chess Problem Database
Problem Display
PID: 261434 (8/1bNQ4/p2bB3/P1k2qR1/2p1Rp2/2P5/3N3p/7K w - - 0 1)
Baudoin, Jean-Francois
Fulpius, Jaques
Neue Zurcher Zeitung, 2002
#2
9 + 8
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Bxe4+
- 2.Sxe4#
- 1...Bd5
- 2.Sxa6#
- 1...Ba8
- 2.Sxa6#
- 1...Bc8
- 2.Rxc4#
- 1...f3
- 2.Rxc4#
- 1...Bxe4+
- Tries
- 1.Kxh2?
- threat
- 2.Rxc4#
- 1...Bxe4
- 2.Sxe4#
- 2.Sxa6#
- 1...Bd5
- 2.Sxa6#
- 1...f3+!
- threat
- 1.Sf3?
- threat
- 2.Rxc4#
- 1...Bxe4
- 2.Sxa6#
- 1...Bd5
- 2.Sxa6#
- 1...Qd5!
- threat
- 1.Bxc4?
- threat
- 2.Sb3#
- 2.Se6#
- 1...Bxc7
- 2.Sb3#
- 1...Be5
- 2.Sb3#
- 1...Bd5
- 2.Sb3#
- 2.Sxa6#
- 1...Bxe4+!
- threat
- 1.Rxf5+?
- 1...Bd5
- 2.Sxa6#
- 2.Rxd5#
- 1...Be5!
- 1...Bd5
- 1.Kxh2?
- Keys
- 1.Bd5!
- threat
- 2.Rxc4#
- 1...Qxe4+
- 2.Sxe4#
- 1...Qxd5
- 2.Se6#
- 1...Bxd5
- 2.Sxa6#
- threat
- 1.Bd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- B(h);CHECK,XR(D)::S(B),XB(h)
- B(h);N_GUARD,N_SPINQ(e)::S(H),XP(f)
- B(h);N_GUARD::S(H),XP(f)
- B(h);N_PINR(D)::R1(D),XP(b)
- P(c);N_PINR(D)::R1(D),XP(b)
- Tries
- Try
- K(A);N_SPINR(D),P-FLIGHT,XP(a)
- Threat
- R1(D),XP(b)
- Vars
- B(h);N_GUARD,N_SPINQ(e)::S(H),XP(f)
- Refutation
- P(c);CHECK
- Try
- S(B);N_SPINR(D)
- Threat
- R1(D),XP(b)
- Vars
- B(h);N_GUARD,P_PINS(B),XR(D)::S(H),XP(f)
- B(h);N_GUARD,N_SPINQ(e)::S(H),XP(f)
- Refutation
- Q(e);
- Try
- B(G);XP(b)
- Threat
- DUALS(2)
- Vars
- B(g);XS(H)::S(B)
- B(g);N_SPINQ(e)::S(B)
- Refutation
- B(h);CHECK,XR(D)
- Try
- R(F);CHECK,XQ(e)
- Refutation
- B(g);P_SPINB(g)
- Try
- Actual
- B(G);N_PINQ(e),N_SPINR(D)
- Threat
- R1(D),XP(b)
- Vars
- Q(e);CHECK,XR(D)::S(B),XQ(e)
- Q(e);N_GUARD,P_PINR(D),P_SPINQ(e),XB(G)::S(H)
- B(h);N_GUARD,P_PINR(D),SBLOCK,XB(G)::S(H),XP(f)
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