MESON Chess Problem Database
Problem Display
PID: 147299 (kr6/pp6/N2b4/1R1Bp3/1P2P3/3K4/8/8 w - - 0 1)
Sykes, C
British Chess Magazine, 1983
#2
6 + 6
SOLUTION
- SOUND
- Sets
- 1...Rc8
- 2.Bxb7#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bxb4
- 2.Sc7#
- 1...Bc5
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 1...Be7
- 2.Sc7#
- 1...Bf8
- 2.Sc7#
- 1...Rc8
- Tries
- 1.Kc2?
- 1...Bxb4
- 2.Sc7#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bc5
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 1...Be7
- 2.Sc7#
- 1...Bf8
- 2.Sc7#
- 1...Rc8+!
- 1...Bxb4
- 1.Kd2?
- 1...Rc8
- 2.Bxb7#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bc5
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 1...Be7
- 2.Sc7#
- 1...Bf8
- 2.Sc7#
- 1...Bxb4+!
- 1...Rc8
- 1.Ke3?
- 1...Bxb4
- 2.Sc7#
- 1...Rc8
- 2.Bxb7#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bc7
- 2.Sxc7#
- 1...Be7
- 2.Sc7#
- 1...Bf8
- 2.Sc7#
- 1...Bc5+!
- 1...Bxb4
- 1.Kc4?
- 1...Bxb4
- 2.Sc7#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bc5
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 1...Be7
- 2.Sc7#
- 1...Bf8
- 2.Sc7#
- 1...Rc8+!
- 1...Bxb4
- 1.Bc6?
- 1...Bxb4
- 2.Sc7#
- 1...Rc8
- 2.Bxb7#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bc5
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 1...Be7
- 2.Sc7#
- 1...Bf8
- 2.Sc7#
- 1...bxc6!
- 1...Bxb4
- 1.Rb6?
- 1...Bxb4
- 2.Sc7#
- 1...Rc8
- 2.Bxb7#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bc5
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 1...Be7
- 2.Sc7#
- 1...Bf8
- 2.Sc7#
- 1...axb6!
- 1...Bxb4
- 1.Rxb7?
- threat
- 2.Rxb8#
- 1...Rc8
- 2.Rc7#
- 2.Rb8#
- 1...Rd8
- 2.Rb5#
- 2.Rb6#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Re8
- 2.Rb5#
- 2.Rb6#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Rf8
- 2.Rb5#
- 2.Rb6#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Rg8
- 2.Rb5#
- 2.Rb6#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Rh8
- 2.Rb5#
- 2.Rb6#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Rxb7!
- threat
- 1.Kc2?
- Keys
- 1.Ke2!
- 1...Bxb4
- 2.Sc7#
- 1...Rc8
- 2.Bxb7#
- 1...Rd8
- 2.Bxb7#
- 1...Re8
- 2.Bxb7#
- 1...Rf8
- 2.Bxb7#
- 1...Rg8
- 2.Bxb7#
- 1...Rh8
- 2.Bxb7#
- 1...Bc5
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 1...Be7
- 2.Sc7#
- 1...Bf8
- 2.Sc7#
- 1...Bxb4
- 1.Ke2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD::B(E),XP(d)
- R(f);N_GUARD,SBLOCK::B(E),XP(d)
- B(b);N_GUARD,XP(B)::S(F)
- B(b);N_GUARD::S(F)
- B(b);N_GUARD::S(F),XB(b)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- B(b);N_GUARD,XP(B)::S(F)
- R(f);N_GUARD::B(E),XP(d)
- R(f);N_GUARD,SBLOCK::B(E),XP(d)
- B(b);N_GUARD::S(F)
- B(b);N_GUARD::S(F),XB(b)
- Refutation
- R(f);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- R(f);N_GUARD::B(E),XP(d)
- R(f);N_GUARD,SBLOCK::B(E),XP(d)
- B(b);N_GUARD::S(F)
- B(b);N_GUARD::S(F),XB(b)
- Refutation
- B(b);CHECK,XP(B)
- Try
- K(A);P-FLIGHT
- Vars
- B(b);N_GUARD,XP(B)::S(F)
- R(f);N_GUARD::B(E),XP(d)
- R(f);N_GUARD,SBLOCK::B(E),XP(d)
- B(b);N_GUARD::S(F),XB(b)
- B(b);N_GUARD::S(F)
- Refutation
- B(b);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- B(b);N_GUARD,XP(B)::S(F)
- R(f);N_GUARD::B(E),XP(d)
- R(f);N_GUARD,SBLOCK::B(E),XP(d)
- B(b);N_GUARD::S(F)
- B(b);N_GUARD::S(F),XB(b)
- Refutation
- R(f);CHECK
- Try
- B(E);
- Vars
- B(b);N_GUARD,XP(B)::S(F)
- R(f);N_GUARD::B(E),XP(d)
- R(f);N_GUARD,SBLOCK::B(E),XP(d)
- B(b);N_GUARD::S(F)
- B(b);N_GUARD::S(F),XB(b)
- Refutation
- P(d);N_SPINP(d),XB(E)
- Try
- R(D);
- Vars
- B(b);N_GUARD,XP(B)::S(F)
- R(f);N_GUARD::B(E),XP(d)
- R(f);N_GUARD,SBLOCK::B(E),XP(d)
- B(b);N_GUARD::S(F)
- B(b);N_GUARD::S(F),XB(b)
- Refutation
- P(c);XR(D)
- Try
- R(D);XP(d)
- Threat
- B(E)+R(D),DCHECK,XR(f)
- Refutation
- R(f);P_SPINR(f),XR(D)
- Try
- Actual
- K(A);S_FLIGHT
- Vars
- B(b);N_GUARD,XP(B)::S(F)
- R(f);N_GUARD::B(E),XP(d)
- R(f);N_GUARD,SBLOCK::B(E),XP(d)
- B(b);N_GUARD::S(F)
- B(b);N_GUARD::S(F),XB(b)
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