MESON Chess Problem Database
Problem Display
PID: 154087 (6Bn/K3Pr2/6p1/5pR1/3P4/2B1N2p/1R4bQ/k3n3 w - - 0 1)
Saferis, AM
diagrammes, 1974
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Rxe7+
- 2.Rb7#
- 1...Rg7
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Rh7
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Rf8
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bf1
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bh1
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bf3
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Be4
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bd5
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bc6
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bb7
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rxb7#
- 1...Ba8
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Sc2
- 2.Sxc2#
- 1...Sd3
- 2.Sc2#
- 1...Sf3
- 2.Sc2#
- 1...f4
- 2.Ra5#
- 1...Rf6
- Tries
- 1.Kb6?
- 1...Rxe7
- 2.Rb4#
- 2.Rb5#
- 1...Rg7
- 2.Rb4#
- 2.Rb5#
- 1...Rh7
- 2.Rb4#
- 2.Rb5#
- 1...Rf8
- 2.Rb4#
- 2.Rb5#
- 1...Bf1
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 1...Bh1
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 1...Bf3
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 1...Be4
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 1...Bd5
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 1...Bc6
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 1...Bb7
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 1...Ba8
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 1...Sc2
- 2.Sxc2#
- 1...Sd3
- 2.Sc2#
- 1...Sf3
- 2.Sc2#
- 1...f4
- 2.Ra5#
- 1...Rf6+!
- 1...Rxe7
- 1.Kb8?
- 1...Rxe7
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 1...Rf6
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 1...Rg7
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 1...Rh7
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 1...Bf1
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 1...Bh1
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 1...Bf3
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 1...Be4
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 1...Bd5
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 1...Bc6
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 1...Bb7
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rxb7#
- 1...Ba8
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 1...Sc2
- 2.Sxc2#
- 1...Sd3
- 2.Sc2#
- 1...Sf3
- 2.Sc2#
- 1...f4
- 2.Ra5#
- 1...Rf8+!
- 1...Rxe7
- 1.Bxf7?
- threat
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bb7
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rxb7#
- 1...Sd3
- 2.Sc2#
- 1...Sxf7!
- threat
- 1.Ra2+?
- 1...Kb1
- 2.Ra1#
- 1...Kxa2!
- 1...Kb1
- 1.Rgxg2?
- threat
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Rxe7+
- 2.Rb7#
- 1...Sxg2
- 2.Sc2#
- 1...Sc2
- 2.Sxc2#
- 1...Sd3
- 2.Sc2#
- 1...hxg2!
- threat
- 1.Rxf5?
- threat
- 2.Ra5#
- 1...Rxe7+
- 2.Rb7#
- 1...Rxf5
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Sc2
- 2.Sxc2#
- 1...Bd5
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bc6
- 2.Rb3#
- 2.Rb4#
- 2.Rbb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...gxf5!
- threat
- 1.Rxg6?
- threat
- 2.Ra6#
- 1...Rxe7+
- 2.Rb7#
- 1...Sc2
- 2.Sxc2#
- 1...Rf6
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bf1
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rbb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bd5
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rbb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bc6
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bb7
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rbb6#
- 2.Rxb7#
- 1...Sxg6!
- threat
- 1.Qd6?
- threat
- 2.Qa3#
- 2.Qa6#
- 1...Rxe7+
- 2.Rb7#
- 1...Sc2
- 2.Sxc2#
- 1...Rf6
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 2.Qa3#
- 1...Bf1
- 2.Qa3#
- 1...Bc6
- 2.Qa3#
- 1...Bb7
- 2.Qa3#
- 1...Bd5!
- threat
- 1.Qb8?
- threat
- 2.Rc2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rbxg2#
- 1...Rxe7+
- 2.Rb7#
- 1...Sc2
- 2.Sxc2#
- 2.Rxc2#
- 1...Bf1
- 2.Rc2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rbg2#
- 2.Rh2#
- 1...Bh1
- 2.Rc2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rbg2#
- 2.Rh2#
- 1...Bf3
- 2.Rc2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rbg2#
- 2.Rh2#
- 1...Be4
- 2.Rc2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rbg2#
- 2.Rh2#
- 1...Bd5
- 2.Rc2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rbg2#
- 2.Rh2#
- 1...Bc6
- 2.Rc2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rbg2#
- 2.Rh2#
- 1...Ba8
- 2.Rc2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rbg2#
- 2.Rh2#
- 1...Sd3
- 2.Sc2#
- 1...Bb7!
- threat
- 1.Qxg2?
- threat
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Rxe7+
- 2.Rb7#
- 1...Sxg2
- 2.Sc2#
- 1...Sc2
- 2.Sxc2#
- 1...Sd3
- 2.Sc2#
- 1...hxg2!
- threat
- 1.Kb6?
- Keys
- 1.Ka6!
- 1...Rf6+
- 2.Rb6#
- 1...Bf1+
- 2.Rb5#
- 1...Bb7+
- 2.Rxb7#
- 1...Rxe7
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Rg7
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Rh7
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Rf8
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bh1
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bf3
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Be4
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bd5
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bc6
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Ba8
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Sc2
- 2.Sxc2#
- 1...Sd3
- 2.Sc2#
- 1...Sf3
- 2.Sc2#
- 1...f4
- 2.Ra5#
- 1...Rf6+
- 1.Ka6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(g);CHECK,XP(H)::B(C)+R(A)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- P(e);OGATE::R(F)
- Tries
- Try
- K(G);N_SPINP(H),S_FLIGHT
- Vars
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- P(e);OGATE::R(F)
- Refutation
- R(g);CHECK
- Try
- K(G);N_SPINP(H),S_FLIGHT
- Vars
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- P(e);OGATE::R(F)
- Refutation
- R(g);CHECK
- Try
- B(I);N_SPINP(H),XR(g)
- Threat
- DUALS(5)
- Vars
- S(b);N_GUARD::S(D)
- Refutation
- S(h);XB(I)
- Try
- R(A);CHECK
- Vars
- K(a);P-FLIGHT::R1(A)
- Refutation
- K(a);P-FLIGHT,P_SPINB(c),P_SPINR(g),XR(A)
- Try
- R(F);XB(c)
- Threat
- DUALS(6)
- Vars
- R(g);CHECK,XP(H)::B(C)+R(A)
- S(b);N_GUARD,XR(F)::S(D)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- Refutation
- P(d);XR(F)
- Try
- R(F);XP(e)
- Threat
- R(F)
- Vars
- R(g);CHECK,XP(H)::B(C)+R(A)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- P(f);XR(F)
- Try
- R(F);XP(f)
- Threat
- R(F)
- Vars
- R(g);CHECK,XP(H)::B(C)+R(A)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- S(h);XR(F)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(g);CHECK,XP(H)::B(C)+R(A)
- S(b);N_GUARD::S(D),XS(b)
- B(c);::QAR2(B)
- B(c);N_PINP(H)::QAR2(B)
- Refutation
- B(c);
- Try
- Q(B);
- Threat
- DUALS(5)
- Vars
- R(g);CHECK,XP(H)::B(C)+R(A)
- S(b);N_GUARD::S(D)
- Refutation
- B(c);N_PINP(H)
- Try
- Q(B);XB(c)
- Threat
- DUALS(6)
- Vars
- R(g);CHECK,XP(H)::B(C)+R(A)
- S(b);N_GUARD,XQ(B)::S(D)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- Refutation
- P(d);XQ(B)
- Try
- Actual
- K(G);N_SPINP(H),P-FLIGHT
- Vars
- R(g);CHECK::B(C)+R(A)
- B(c);CHECK::B(C)+R(A)
- B(c);CHECK::B(C)+R(A),XB(c)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- P(e);OGATE::R(F)
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