MESON Chess Problem Database
Problem Display
PID: 66754 (1nNnB3/2Rp2K1/4kpp1/6P1/2P3P1/p2N4/pr3P2/B7 w - - 0 1)
de Haas, Bastian Evert
Comm., Rochade Europa, 1986-1987
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sf4#
- 2.Sc5#
- 1...Rc2
- 2.Sf4#
- 2.Sc5#
- 1...Rd2
- 2.Sf4#
- 2.Sc5#
- 1...Re2
- 2.Sf4#
- 2.Sc5#
- 1...Rxf2
- 2.Sc5#
- 1...Rb3
- 2.Sf4#
- 2.Sc5#
- 1...Rb4
- 2.Sf4#
- 2.Sc5#
- 1...Rb5
- 2.Sf4#
- 1...Rb6
- 2.Sf4#
- 2.Sc5#
- 1...Rb7
- 2.Sf4#
- 2.Sc5#
- 1...Sa6
- 2.Bxd7#
- 1...Sbc6
- 2.Bxd7#
- 1...Sdc6
- 2.Bf7#
- 1...Sb7
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...d5
- 2.Re7#
- 1...d6
- 2.Re7#
- 1...Rb1
- Tries
- 1.Kxg6?
- 1...Rxf2
- 2.Sc5#
- 1...Rb1
- 2.Sf4#
- 2.Sc5#
- 1...Rc2
- 2.Sf4#
- 2.Sc5#
- 1...Rd2
- 2.Sf4#
- 2.Sc5#
- 1...Re2
- 2.Sf4#
- 2.Sc5#
- 1...Rb3
- 2.Sf4#
- 2.Sc5#
- 1...Rb4
- 2.Sf4#
- 2.Sc5#
- 1...Rb5
- 2.Sf4#
- 1...Rb6
- 2.Sf4#
- 2.Sc5#
- 1...Rb7
- 2.Sf4#
- 2.Sc5#
- 1...Sa6
- 2.Bxd7#
- 1...Sbc6
- 2.Bxd7#
- 1...Sdc6
- 2.Bf7#
- 1...Sb7
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...f5
- 2.gxf5#
- 1...d5
- 2.Re7#
- 1...d6
- 2.Re7#
- 1...fxg5!
- 1...Rxf2
- 1.Bxb2?
- threat
- 2.Sf4#
- 2.Sc5#
- 1...fxg5
- 2.Sc5#
- 1...Sa6
- 2.Sf4#
- 2.Bxd7#
- 1...Sb7
- 2.Sf4#
- 2.Bf7#
- 1...d6
- 2.Sf4#
- 2.Re7#
- 1...axb2!
- threat
- 1.Rc5?
- threat
- 2.Sf4#
- 1...fxg5
- 2.Re5#
- 1...d5
- 2.cxd5#
- 1...Rxf2!
- threat
- 1.Rxd7?
- threat
- 2.Rd6#
- 2.Re7#
- 1...Rb6
- 2.Sf4#
- 2.Sc5#
- 2.Re7#
- 1...Rb7
- 2.Sf4#
- 2.Sc5#
- 1...Sbc6
- 2.Rd6#
- 1...Sdc6
- 2.Rd6#
- 1...Sb7
- 2.Re7#
- 1...Sf7
- 2.Re7#
- 1...Sxd7!
- threat
- 1.f4?
- threat
- 2.Sc5#
- 1...Sa6
- 2.Bxd7#
- 1...Sb7
- 2.Bf7#
- 1...d6
- 2.Re7#
- 1...Rb5!
- threat
- 1.gxf6?
- 1...Rxf2
- 2.Sc5#
- 1...Rb1
- 2.Sf4#
- 2.Sc5#
- 1...Rc2
- 2.Sf4#
- 2.Sc5#
- 1...Rd2
- 2.Sf4#
- 2.Sc5#
- 1...Re2
- 2.Sf4#
- 2.Sc5#
- 1...Rb3
- 2.Sf4#
- 2.Sc5#
- 1...Rb4
- 2.Sf4#
- 2.Sc5#
- 1...Rb5
- 2.Sf4#
- 1...Rb6
- 2.Sf4#
- 2.Sc5#
- 1...Rb7
- 2.Sf4#
- 2.Sc5#
- 1...Sa6
- 2.Bxd7#
- 1...Sbc6
- 2.Bxd7#
- 1...Sdc6
- 2.Bf7#
- 1...Sb7
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...d5
- 2.Re7#
- 1...d6
- 2.Re7#
- 1...g5!
- 1...Rxf2
- 1.Kxg6?
- Keys
- 1.Bxg6!
- threat
- 2.Bf5#
- 1...Rxf2
- 2.Sc5#
- 1...f5
- 2.Bxf5#
- 2.gxf5#
- 1...Rb5
- 2.Sf4#
- threat
- 1.Bxg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- R(b);XP(B)::S(C)
- R(b);::S(C)
- S(h);N_GUARD::B(J),XP(g)
- S(i);N_GUARD::B(J)
- S(i);N_GUARD::B(J),XS(i)
- P(g);OGATE::R1(G)
- Tries
- Try
- K(H);P-FLIGHT,XP(f)
- Vars
- R(b);XP(B)::S(C)
- R(b);::S(C)
- S(h);N_GUARD::B(J),XP(g)
- S(i);N_GUARD::B(J)
- S(i);N_GUARD::B(J),XS(i)
- P(e);OGATE::P(E),XP(e)
- P(g);OGATE::R1(G)
- Refutation
- P(e);XP(F)
- Try
- B(A);XR(b)
- Threat
- DUALS(2)
- Vars
- P(e);XP(F)::S(C)
- Refutation
- P(c);XB(A)
- Try
- R(G);
- Threat
- S(C)
- Vars
- P(e);N_GUARD,XP(F)::R1(G)
- P(g);OGATE::P(D),XP(g)
- Refutation
- R(b);XP(B)
- Try
- R(G);XP(g)
- Threat
- DUALS(2)
- Vars
- S(h);::R1(G)
- S(i);::R1(G)
- Refutation
- S(h);XR(G)
- Try
- P(B);
- Threat
- S(C)
- Vars
- S(h);N_GUARD::B(J),XP(g)
- S(i);N_GUARD::B(J)
- P(g);OGATE::R1(G)
- Refutation
- R(b);
- Try
- P(F);XP(e)
- Vars
- R(b);XP(B)::S(C)
- R(b);::S(C)
- S(h);N_GUARD::B(J),XP(g)
- S(i);N_GUARD::B(J)
- S(i);N_GUARD::B(J),XS(i)
- P(g);OGATE::R1(G)
- Refutation
- P(f);
- Try
- Actual
- B(J);XP(f)
- Threat
- B(J)
- Vars
- R(b);XP(B)::S(C)
- R(b);::S(C)
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