MESON Chess Problem Database
Problem Display
PID: 164377 (q7/1p3PQN/r4RKB/5NR1/2PPk3/4P3/2P1P2p/4n1r1 w - - 0 1)
Cuppini, Alessandro
Schach, 2001
#2
13 + 7
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Rg4#
- 1...Rg4
- 2.Rxg4#
- 1...Rxg5+
- 2.Sxg5#
- 1...Ra1
- 2.Re6#
- 1...Ra2
- 2.Re6#
- 1...Ra3
- 2.Re6#
- 1...Ra4
- 2.Re6#
- 1...Re6
- 2.Rxe6#
- 1...Rxf6+
- 2.Sxf6#
- 1...Ra7
- 2.Re6#
- 1...Sd3
- 2.cxd3#
- 1...b6
- 2.Re6#
- 1...Rh1
- Tries
- 1.Sg3+?
- 1...Kxe3
- 2.Rg4#
- 2.Rd5#
- 1...Rxg3!
- 1...Kxe3
- 1.Rg2?
- threat
- 2.Sg3#
- 2.Sg5#
- 1...Rxf6+
- 2.Sxf6#
- 1...h1S
- 2.Sg5#
- 1...Qb8
- 2.Sg5#
- 1...Sf3
- 2.Sg3#
- 1...Rxg2+!
- threat
- 1.Rxa6?
- threat
- 2.Sf6#
- 2.Re6#
- 2.Qe5#
- 1...Rxg5+
- 2.Sxg5#
- 1...bxa6
- 2.Sf6#
- 2.Qe5#
- 1...Qb8
- 2.Sf6#
- 1...Qc8
- 2.Sf6#
- 2.Qe5#
- 1...Qd8
- 2.Re6#
- 2.Qe5#
- 1...Qe8
- 2.Sf6#
- 2.fxe8Q#
- 2.fxe8R#
- 1...Qg8
- 2.Sf6#
- 2.Re6#
- 1...Qh8
- 2.Sf6#
- 2.Re6#
- 1...Sd3
- 2.Sf6#
- 2.cxd3#
- 1...Sf3
- 2.Sf6#
- 1...b6
- 2.Sf6#
- 2.Qe5#
- 1...Qxa6+!
- threat
- 1.Rb6?
- threat
- 2.Sf6#
- 2.Qe5#
- 1...Rxg5+
- 2.Sxg5#
- 1...Qb8
- 2.Sf6#
- 1...Qd8
- 2.Qe5#
- 1...Qe8
- 2.Sf6#
- 2.fxe8Q#
- 2.fxe8R#
- 1...Qg8
- 2.Sf6#
- 1...Qh8
- 2.Sf6#
- 1...Ra5
- 2.Sf6#
- 1...Sd3
- 2.Sf6#
- 2.cxd3#
- 1...Sf3
- 2.Sf6#
- 1...Rxb6+!
- threat
- 1.Rc6?
- threat
- 2.Sf6#
- 2.Qe5#
- 1...Rxg5+
- 2.Sxg5#
- 1...Qb8
- 2.Sf6#
- 1...Qd8
- 2.Qe5#
- 1...Qe8
- 2.Sf6#
- 2.fxe8Q#
- 2.fxe8R#
- 1...Qg8
- 2.Sf6#
- 1...Qh8
- 2.Sf6#
- 1...Ra5
- 2.Sf6#
- 1...Sd3
- 2.Sf6#
- 2.cxd3#
- 1...Sf3
- 2.Sf6#
- 1...Rxc6+!
- threat
- 1.Rd6?
- threat
- 2.Sf6#
- 2.Qe5#
- 1...Rxg5+
- 2.Sxg5#
- 1...Qd8
- 2.Qe5#
- 1...Qe8
- 2.Sf6#
- 2.fxe8Q#
- 2.fxe8R#
- 1...Qg8
- 2.Sf6#
- 1...Qh8
- 2.Sf6#
- 1...Ra5
- 2.Sf6#
- 1...Sd3
- 2.Sf6#
- 2.cxd3#
- 1...Sf3
- 2.Sf6#
- 1...Rxd6+!
- threat
- 1.Sg3+?
- Keys
- 1.Rg3!
- threat
- 2.Sg5#
- 1...Rxg3+
- 2.Sxg3#
- 1...Rxf6+
- 2.Sxf6#
- 1...Sf3
- 2.exf3#
- threat
- 1.Rg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- R(b);N_GUARD,N_PINR(G),P_PINR(H)::R(G)
- R(b);N_GUARD::R(G),XR(b)
- R(b);CHECK,P_PINR(H),XR(G)::S(M),XR(b)
- R(e);N_GUARD::R(H)
- R(e);N_GUARD::R(H),XR(e)
- R(e);CHECK,XR(H)::S(M),XR(e)
- S(a);OGATE::P(A),XS(a)
- P(f);S_CUTR(e)::R(H)
- Tries
- Try
- S(F);CHECK,N_SPINR(G),P_SPINR(H)
- Refutation
- R(b);N_PINR(H),P_PINR(G),XS(F)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,XR(H)::S(M),XR(e)
- P(c);::S(M)
- Q(g);::S(M)
- S(a);::S(F)
- Refutation
- R(b);CHECK,P_PINR(H),XR(G)
- Try
- R(H);XR(e)
- Threat
- DUALS(3)
- Vars
- R(b);CHECK,XR(G)::S(M),XR(b)
- Q(g);::S(M)
- S(a);::S(M)
- Refutation
- Q(g);CHECK,XR(H)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,P_PINR(H),XR(G)::S(M),XR(b)
- Q(g);::S(M)
- Q(g);::QAR1(L)
- Q(g);P_PINQ(L)::S(M)
- R(e);::S(M)
- S(a);::S(M)
- Refutation
- R(e);CHECK,XR(H)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,P_PINR(H),XR(G)::S(M),XR(b)
- Q(g);::S(M)
- Q(g);::QAR1(L)
- Q(g);P_PINQ(L)::S(M)
- R(e);::S(M)
- S(a);::S(M)
- Refutation
- R(e);CHECK,XR(H)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,P_PINR(H),XR(G)::S(M),XR(b)
- Q(g);::QAR1(L)
- Q(g);P_PINQ(L)::S(M)
- Q(g);::S(M)
- R(e);::S(M)
- S(a);::S(M)
- Refutation
- R(e);CHECK,XR(H)
- Try
- Actual
- R(G);
- Threat
- S(M)
- Vars
- R(b);CHECK,P_PINR(H),XR(G)::S(F),XR(b)
- R(e);CHECK,XR(H)::S(M),XR(e)
- S(a);OGATE::P(B),XS(a)
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