MESON Chess Problem Database
Problem Display
PID: 12449 (B7/6p1/3p2N1/3r4/6p1/2K1Bkrq/b1Q2P2/4RR2 w - - 0 1)
Cheylan, Yves
1st HM., Probleemblad, 1979
#2
8 + 8
| 3750 | FIDE Album (1977-1979) | 1984 |
SOLUTION
- SOUND
- Sets
- 1...Kg2
- 2.f4#
- 1...Qxf1
- 2.Sh4#
- 1...Qg2
- 2.Sh4#
- 2.Qf5#
- 1...Qh4
- 2.Sxh4#
- 1...Rg2
- 2.Qf5#
- 1...Bb1
- 2.Bxd5#
- 1...Kg2
- Tries
- 1.Se5+?
- 1...Kg2
- 2.f4#
- 1...dxe5!
- 1...Kg2
- 1.Bc1?
- threat
- 2.Qe4#
- 1...Qxf1
- 2.Sh4#
- 1...Bb1
- 2.Bxd5#
- 1...Kg2+!
- threat
- 1.Bf4?
- threat
- 2.Qe4#
- 1...Kg2+
- 2.fxg3#
- 1...Bb1
- 2.Bxd5#
- 1...Qxf1!
- threat
- 1.Bc5?
- threat
- 2.Qe4#
- 1...Bb1
- 2.Bxd5#
- 1...Kg2+!
- threat
- 1.Bg5?
- threat
- 2.Qe4#
- 1...Qxf1
- 2.Sh4#
- 1...Bb1
- 2.Bxd5#
- 1...Kg2+!
- threat
- 1.Bb6?
- threat
- 2.Qe4#
- 1...Bb1
- 2.Bxd5#
- 1...Kg2+!
- threat
- 1.Bh6?
- threat
- 2.Qe4#
- 1...Qxf1
- 2.Sh4#
- 1...Bb1
- 2.Bxd5#
- 1...Kg2+!
- threat
- 1.Ba7?
- threat
- 2.Qe4#
- 1...Bb1
- 2.Bxd5#
- 1...Kg2+!
- threat
- 1.Rg1?
- threat
- 2.Qf5#
- 1...Qh5
- 2.Rxg3#
- 1...Qh6
- 2.Rxg3#
- 1...Bb1
- 2.Bxd5#
- 1...Rxg1!
- threat
- 1.Qxa2?
- threat
- 2.Bxd5#
- 2.Qxd5#
- 1...Kg2
- 2.f4#
- 1...Ke4
- 2.Qxd5#
- 1...Qh5!
- threat
- 1.Qe2+?
- 1...Kg2
- 2.f3#
- 2.f4#
- 1...Ke4!
- 1...Kg2
- 1.fxg3+?
- 1...Kxg3
- 2.Bf4#
- 2.Qf2#
- 1...Qxf1!
- 1...Kxg3
- 1.Se5+?
- Keys
- 1.Bd4!
- threat
- 2.Qe4#
- 1...Kg2+
- 2.f3#
- 1...Bb1
- 2.Bxd5#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- K(b);OGATE,P_PINB(F),S_FLIGHT::QAR(C)+P(D)
- Q(d);N_GUARD,XR(B)::S(G)
- Q(d);N_GUARD::S(G),XQ(d)
- R(c);SBLOCK::QAR2(C)
- B(a);N_GUARD::B(H),XR(f)
- Tries
- Try
- S(G);CHECK
- Vars
- K(b);OGATE,P_PINB(F),S_FLIGHT::QAR(C)+P(D)
- Refutation
- P(g);XS(G)
- Try
- B(F);
- Threat
- QAB1(C)
- Vars
- Q(d);N_GUARD,XR(B)::S(G)
- B(a);N_GUARD::B(H),XR(f)
- Refutation
- K(b);CHECK,S_FLIGHT
- Try
- B(F);
- Threat
- QAB1(C)
- Vars
- K(b);CHECK,S_FLIGHT::QAR(C)+P(D),XR(c)
- B(a);N_GUARD::B(H),XR(f)
- Refutation
- Q(d);XR(B)
- Try
- B(F);
- Threat
- QAB1(C)
- Vars
- B(a);N_GUARD::B(H),XR(f)
- Refutation
- K(b);CHECK,S_FLIGHT
- Try
- B(F);
- Threat
- QAB1(C)
- Vars
- Q(d);N_GUARD,XR(B)::S(G)
- B(a);N_GUARD::B(H),XR(f)
- Refutation
- K(b);CHECK,S_FLIGHT
- Try
- B(F);
- Threat
- QAB1(C)
- Vars
- B(a);N_GUARD::B(H),XR(f)
- Refutation
- K(b);CHECK,S_FLIGHT
- Try
- B(F);
- Threat
- QAB1(C)
- Vars
- Q(d);N_GUARD,XR(B)::S(G)
- B(a);N_GUARD::B(H),XR(f)
- Refutation
- K(b);CHECK,S_FLIGHT
- Try
- B(F);
- Threat
- QAB1(C)
- Vars
- B(a);N_GUARD::B(H),XR(f)
- Refutation
- K(b);CHECK,S_FLIGHT
- Try
- R(B);
- Threat
- QAR2(C)
- Vars
- Q(d);N_GUARD::R1(B),XR(c)
- B(a);N_GUARD::B(H),XR(f)
- Refutation
- R(c);XR(B)
- Try
- Q(C);XB(a)
- Threat
- DUALS(2)
- Vars
- K(b);OGATE,P_PINB(F),S_FLIGHT::QAR(C)+P(D)
- K(b);P_PINB(F),S_FLIGHT::QAB1(C),XR(f)
- Refutation
- Q(d);
- Try
- Q(C);CHECK
- Refutation
- K(b);P_PINB(F),S_FLIGHT
- Try
- P(D);CHECK,XR(c)
- Refutation
- Q(d);XR(B)
- Try
- Actual
- B(F);
- Threat
- QAB1(C)
- Vars
- K(b);CHECK,OGATE,S_FLIGHT::QAR(C)+P(D)
- B(a);N_GUARD::B(H),XR(f)
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