MESON Chess Problem Database
Problem Display
PID: 81003 (3Q4/3KNP2/2R3B1/3ppP1q/4k1p1/nnRNP1p1/b1P2PPb/2rr4 w - - 0 1)
Kiss, Ivan
1/3 Prize, Nedelna Pravda, 1979-1980
#2
13 + 12
| 6424 | Czech Album (1979-1981) | 1986 |
SOLUTION
- SOUND
- Sets
- 1...Qh3
- 2.f6#
- 1...Qh4
- 2.f6#
- 1...Qxf5+
- 2.Bxf5#
- 1...Qh8
- 2.f6#
- 1...Rxd3
- 2.cxd3#
- 1...Sa1
- 2.Sc5#
- 1...Sd2
- 2.Sc5#
- 1...Sd4
- 2.Sc5#
- 1...Sa5
- 2.Sc5#
- 1...Sc5+
- 2.Sxc5#
- 1...gxf2
- 2.Sxf2#
- 1...Qh3
- Tries
- 1.Kc7?
- threat
- 2.Qxd5#
- 1...Rxd3
- 2.cxd3#
- 1...gxf2
- 2.Sxf2#
- 1...Sa1
- 2.Sc5#
- 1...Sd2
- 2.Sc5#
- 1...Sd4
- 2.Sc5#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...d4
- 2.Qd5#
- 1...Sb5+!
- threat
- 1.Ke8?
- threat
- 2.Qxd5#
- 1...Rxd3
- 2.cxd3#
- 1...gxf2
- 2.Sxf2#
- 1...Sa1
- 2.Sc5#
- 1...Sd2
- 2.Sc5#
- 1...Sd4
- 2.Sc5#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...d4
- 2.Qd5#
- 1...Qh8+!
- threat
- 1.Rxb3?
- threat
- 2.Sc5#
- 1...Qxf5+
- 2.Bxf5#
- 1...Rxd3
- 2.cxd3#
- 1...Rxc2!
- threat
- 1.R6c4+?
- 1...Sd4
- 2.Sc5#
- 1...dxc4
- 2.Qa8#
- 1...d4
- 2.Qa8#
- 1...Sxc4!
- 1...Sd4
- 1.Re6?
- threat
- 2.Rxe5#
- 1...Sc5+
- 2.Sxc5#
- 1...Qxf5
- 2.Bxf5#
- 1...Rxd3
- 2.cxd3#
- 1...gxf2
- 2.Sxf2#
- 1...Qh8
- 2.f6#
- 1...Sc4!
- threat
- 1.Qa5?
- threat
- 2.Qxd5#
- 1...Qxf5+
- 2.Bxf5#
- 1...Sc5+
- 2.Sxc5#
- 1...Rxd3
- 2.cxd3#
- 1...Sxa5
- 2.Sc5#
- 1...gxf2
- 2.Sxf2#
- 1...Sa1
- 2.Sc5#
- 1...Sd2
- 2.Sc5#
- 1...Sd4
- 2.Sc5#
- 1...d4
- 2.Qd5#
- 2.Qxe5#
- 1...Sb5!
- threat
- 1.Qc7?
- threat
- 2.Qxe5#
- 1...Qxf5+
- 2.Bxf5#
- 1...Sc5+
- 2.Sxc5#
- 1...Rxd3
- 2.cxd3#
- 1...gxf2
- 2.Sxf2#
- 1...Qh8
- 2.f6#
- 1...Sc4!
- threat
- 1.Qb8?
- threat
- 2.Qxe5#
- 1...Qxf5+
- 2.Bxf5#
- 1...Sc5+
- 2.Sxc5#
- 1...Rxd3
- 2.cxd3#
- 1...gxf2
- 2.Sxf2#
- 1...Qh8
- 2.f6#
- 1...Sc4!
- threat
- 1.Qh8?
- threat
- 2.Qxe5#
- 1...Qxf5+
- 2.Bxf5#
- 1...Sc5+
- 2.Sxc5#
- 1...Qxh8
- 2.f6#
- 1...Rxd3
- 2.cxd3#
- 1...gxf2
- 2.Sxf2#
- 1...Sc4!
- threat
- 1.f6+?
- 1...Qf5+
- 2.Bxf5#
- 1...Qxg6!
- 1...Qf5+
- 1.Kc7?
- Keys
- 1.Kc8!
- threat
- 2.Qxd5#
- 1...Qxf5+
- 2.Bxf5#
- 1...Rxd3
- 2.cxd3#
- 1...gxf2
- 2.Sxf2#
- 1...Qh8
- 2.f6#
- 1...Sa1
- 2.Sc5#
- 1...Sd2
- 2.Sc5#
- 1...Sd4
- 2.Sc5#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...d4
- 2.Qd5#
- threat
- 1.Kc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- Q(l);N_GUARD::B(I)+P(G)
- Q(l);CHECK,OGATE,P_SPINQ(l),XP(G)::B(I),XQ(l)
- R(b);OGATE,XS(E)::P(A),XR(b)
- S(f);N_GUARD::S(E)
- S(f);CHECK,N_GUARD::S(E),XS(f)
- P(g);XP(B)::S(E),XP(g)
- Tries
- Try
- K(J);P-FLIGHT
- Threat
- QAB1(M),XP(j)
- Vars
- R(b);OGATE,XS(E)::P(A),XR(b)
- P(g);XP(B)::S(E),XP(g)
- S(f);N_GUARD::S(E)
- S(f);N_GUARD::S(E),XS(f)
- P(j);::QAB1(M)
- Refutation
- S(e);CHECK
- Try
- K(J);S_FLIGHT
- Threat
- QAB1(M),XP(j)
- Vars
- R(b);OGATE,XS(E)::P(A),XR(b)
- P(g);XP(B)::S(E),XP(g)
- S(f);N_GUARD::S(E)
- S(f);N_GUARD::S(E),XS(f)
- P(j);::QAB1(M)
- Refutation
- Q(l);CHECK
- Try
- R(D);XS(f)
- Threat
- S(E)
- Vars
- Q(l);CHECK,OGATE,P_SPINQ(l),XP(G)::B(I),XQ(l)
- R(b);OGATE,XS(E)::P(A),XR(b)
- Refutation
- R(a);XP(A)
- Try
- R(H);CHECK
- Vars
- S(f);P_SPINS(f)::S(E)
- P(j);P_PINS(E),S_CUTS(e),S_CUTS(f),XR(H)::QAB(M)
- P(j);P_SPINP(j),S_CUTS(e),S_CUTS(f)::QAB(M)
- Refutation
- S(e);XR(H)
- Try
- R(H);P_PINP(k)
- Threat
- R1(H),XP(k)
- Vars
- S(f);CHECK,N_GUARD::S(E),XS(f)
- Q(l);OGATE,P_PINR(H),P_SPINQ(l),XP(G)::B(I),XQ(l)
- R(b);OGATE,XS(E)::P(A),XR(b)
- P(g);XP(B)::S(E),XP(g)
- Q(l);N_GUARD::B(I)+P(G)
- Refutation
- S(e);
- Try
- Q(M);
- Threat
- QAB1(M),XP(j)
- Vars
- Q(l);CHECK,OGATE,P_SPINQ(l),XP(G)::B(I),XQ(l)
- S(f);CHECK,N_GUARD::S(E),XS(f)
- R(b);OGATE,XS(E)::P(A),XR(b)
- S(f);N_GUARD,XQ(M)::S(E)
- P(g);XP(B)::S(E),XP(g)
- S(f);N_GUARD::S(E)
- Refutation
- S(e);
- Try
- Q(M);
- Threat
- QAR1(M),XP(k)
- Vars
- Q(l);CHECK,OGATE,P_SPINQ(l),XP(G)::B(I),XQ(l)
- S(f);CHECK,N_GUARD::S(E),XS(f)
- R(b);OGATE,XS(E)::P(A),XR(b)
- P(g);XP(B)::S(E),XP(g)
- Q(l);N_GUARD::B(I)+P(G)
- Refutation
- S(e);
- Try
- Q(M);
- Threat
- QAR1(M),XP(k)
- Vars
- Q(l);CHECK,OGATE,P_SPINQ(l),XP(G)::B(I),XQ(l)
- S(f);CHECK,N_GUARD::S(E),XS(f)
- R(b);OGATE,XS(E)::P(A),XR(b)
- P(g);XP(B)::S(E),XP(g)
- Q(l);N_GUARD::B(I)+P(G)
- Refutation
- S(e);
- Try
- Q(M);
- Threat
- QAR1(M),XP(k)
- Vars
- Q(l);CHECK,OGATE,P_SPINQ(l),XP(G)::B(I),XQ(l)
- S(f);CHECK,N_GUARD::S(E),XS(f)
- Q(l);N_GUARD,XQ(M)::B(I)+P(G)
- R(b);OGATE,XS(E)::P(A),XR(b)
- P(g);XP(B)::S(E),XP(g)
- Refutation
- S(e);
- Try
- P(G);CHECK
- Vars
- Q(l);CHECK,N_GUARD,P_SPINQ(l)::B(I),XQ(l)
- Refutation
- Q(l);XB(I)
- Try
- Actual
- K(J);S_FLIGHT
- Threat
- QAB1(M),XP(j)
- Vars
- Q(l);CHECK,OGATE,P_SPINQ(l),XP(G)::B(I),XQ(l)
- R(b);OGATE,XS(E)::P(A),XR(b)
- P(g);XP(B)::S(E),XP(g)
- Q(l);N_GUARD,P_PINQ(M)::B(I)+P(G)
- S(f);N_GUARD::S(E)
- S(f);N_GUARD::S(E),XS(f)
- P(j);::QAB1(M)
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