MESON Chess Problem Database
Problem Display
PID: 17644 (K5n1/8/2n1R1R1/3p1k1r/3p1P1r/4p1QN/4P1P1/3N4 w - - 0 1)
Fleck, Ferenc
3rd Prize, Hungary-100 JT, 1948-1949
#2
9 + 8
| 81 | Chess | 1956 |
SOLUTION
- SOUND
- Sets
- 1...Rxh3
- 2.Qg4#
- 1...Rxf4
- 2.Qxf4#
- 1...Rg4
- 2.Qxg4#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qg5#
- 1...Rh7
- 2.Qg5#
- 1...Rh8
- 2.Qg5#
- 1...Sb4
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sa7
- 2.Re5#
- 1...Sce7
- 2.Re5#
- 1...Sb8
- 2.Re5#
- 1...Sd8
- 2.Re5#
- 1...Sf6
- 2.Rgxf6#
- 1...Sh6
- 2.Rgf6#
- 1...Sge7
- 2.Rgf6#
- 1...d3
- 2.Sxe3#
- 1...Rxh3
- Tries
- 1.Sb2?
- 1...Rxh3
- 2.Qg4#
- 1...Rxf4
- 2.Qxf4#
- 1...Se5
- 2.Rxe5#
- 1...Sf6
- 2.Rgxf6#
- 1...Rg4
- 2.Qxg4#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qg5#
- 1...Rh7
- 2.Qg5#
- 1...Rh8
- 2.Qg5#
- 1...Sb4
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Sa7
- 2.Re5#
- 1...Sce7
- 2.Re5#
- 1...Sb8
- 2.Re5#
- 1...Sd8
- 2.Re5#
- 1...Sh6
- 2.Rgf6#
- 1...Sge7
- 2.Rgf6#
- 1...d3!
- 1...Rxh3
- 1.Sdf2?
- 1...Rxh3
- 2.Qg4#
- 1...Rxf4
- 2.Qxf4#
- 1...exf2
- 2.Qd3#
- 1...Sf6
- 2.Rexf6#
- 2.Rgxf6#
- 1...Rg4
- 2.Qxg4#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qg5#
- 1...Rh7
- 2.Qg5#
- 1...Rh8
- 2.Qg5#
- 1...Sb4
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sa7
- 2.Re5#
- 1...Sce7
- 2.Re5#
- 1...Sb8
- 2.Re5#
- 1...Sd8
- 2.Re5#
- 1...Sh6
- 2.Ref6#
- 2.Rgf6#
- 1...Sge7
- 2.Ref6#
- 2.Rgf6#
- 1...d3!
- 1...Rxh3
- 1.Sg1?
- 1...Se5
- 2.Rxe5#
- 1...Sf6
- 2.Rgxf6#
- 1...d3
- 2.Sxe3#
- 1...Rh1
- 2.Qg4#
- 1...Rh2
- 2.Qg4#
- 1...Rh3
- 2.Qg4#
- 1...Rg4
- 2.Qxg4#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qg5#
- 1...Rh7
- 2.Qg5#
- 1...Rh8
- 2.Qg5#
- 1...Sb4
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Sa7
- 2.Re5#
- 1...Sce7
- 2.Re5#
- 1...Sb8
- 2.Re5#
- 1...Sd8
- 2.Re5#
- 1...Sh6
- 2.Rgf6#
- 1...Sge7
- 2.Rgf6#
- 1...Rxf4!
- 1...Se5
- 1.Ref6+?
- 1...Ke4
- 2.Qf3#
- 1...Sxf6!
- 1...Ke4
- 1.Sb2?
- Keys
- 1.Qxe3!
- threat
- 2.Qd3#
- 1...Rxh3
- 2.g4#
- 1...Rxf4
- 2.Qxf4#
- 1...dxe3
- 2.Sxe3#
- 1...Rg5
- 2.Rxg5#
- 1...Sf6
- 2.Rexf6#
- 1...d3
- 2.Qxd3#
- 1...Sb4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- threat
- 1.Qxe3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- R(c);N_GUARD,XS(E)::QAB1(D)
- R(c);OGATE,XP(F)::QAR1(D),XR(c)
- R(c);N_GUARD::QAB1(D),XR(c)
- R(f);N_GUARD::QAR1(D),XR(f)
- R(f);N_GUARD::QAR1(D)
- S(g);N_GUARD::R1(G)
- S(g);N_GUARD::R1(G),XS(g)
- S(h);N_GUARD::R1(H),XS(h)
- S(h);N_GUARD::R1(H)
- P(b);N_GUARD::S(A),XP(a)
- Tries
- Try
- S(A);
- Vars
- R(c);N_GUARD,XS(E)::QAB1(D)
- R(c);OGATE,XP(F)::QAR1(D),XR(c)
- S(g);N_GUARD::R1(G),XS(g)
- S(h);N_GUARD::R1(H),XS(h)
- R(c);N_GUARD::QAB1(D),XR(c)
- R(f);N_GUARD::QAR1(D),XR(f)
- R(f);N_GUARD::QAR1(D)
- S(g);N_GUARD::R1(G)
- S(h);N_GUARD::R1(H)
- Refutation
- P(b);
- Try
- S(A);
- Vars
- R(c);N_GUARD,XS(E)::QAB1(D)
- R(c);OGATE,XP(F)::QAR1(D),XR(c)
- P(a);OGATE,XS(A)::QAB(D)
- R(c);N_GUARD::QAB1(D),XR(c)
- R(f);N_GUARD::QAR1(D),XR(f)
- R(f);N_GUARD::QAR1(D)
- S(g);N_GUARD::R1(G)
- S(g);N_GUARD::R1(G),XS(g)
- Refutation
- P(b);
- Try
- S(E);
- Vars
- S(g);N_GUARD::R1(G),XS(g)
- S(h);N_GUARD::R1(H),XS(h)
- P(b);N_GUARD::S(A),XP(a)
- R(c);N_GUARD::QAB1(D)
- R(c);N_GUARD::QAB1(D),XR(c)
- R(f);N_GUARD::QAR1(D),XR(f)
- R(f);N_GUARD::QAR1(D)
- S(g);N_GUARD::R1(G)
- S(h);N_GUARD::R1(H)
- Refutation
- R(c);XP(F)
- Try
- R(G);CHECK
- Vars
- K(e);S_FLIGHT::QAB1(D)
- Refutation
- S(h);XR(G)
- Try
- Actual
- Q(D);XP(a)
- Threat
- QAB(D)
- Vars
- R(c);N_GUARD,XS(E)::P(C)
- R(c);OGATE,XP(F)::QAR1(D),XR(c)
- P(b);XQ(D)::S(A),XP(b)
- R(f);N_GUARD::R1(H),XR(f)
- S(h);N_GUARD::R1(G),XS(h)
- P(b);::QAB(D),XP(b)
- S(g);N_GUARD::QAR1(D)
- S(g);N_GUARD::QAR1(D),XS(g)
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