MESON Chess Problem Database
Problem Display
PID: 106211 (4R3/q7/3n2pQ/p2R2p1/3pbp1N/N3k3/p1P1P1P1/B3K3 w - - 0 1)
Vokal, Stanislav
Praca, 1991
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb8
- 2.Bxd4#
- 1...Qa6
- 2.Bxd4#
- 1...Qb7
- 2.Bxd4#
- 1...Qc7
- 2.Bxd4#
- 1...Qd7
- 2.Bxd4#
- 1...Qe7
- 2.Bxd4#
- 1...Qf7
- 2.Bxd4#
- 1...Qh7
- 2.Bxd4#
- 1...Qa8
- 2.Bxd4#
- 1...Sc4
- 2.Sxc4#
- 1...Sb5
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Sxe8
- 2.Sc4#
- 1...d3
- 2.Rxd3#
- 1...f3
- 2.Qxg5#
- 1...Qb8
- Tries
- 1.Sf5+?
- 1...Sxf5
- 2.Sc4#
- 1...gxf5!
- 1...Sxf5
- 1.Rxg5?
- threat
- 2.Rg3#
- 1...Sxe8
- 2.Sc4#
- 1...f3
- 2.Rxg6#
- 1...Sf5
- 2.Sc4#
- 1...Qe7!
- threat
- 1.Rxd6?
- threat
- 2.Sc4#
- 1...f3
- 2.Qxg5#
- 1...Qa6
- 2.Bxd4#
- 1...Qc7
- 2.Bxd4#
- 1...Qf7
- 2.Bxd4#
- 1...Qc5!
- threat
- 1.Rxe4+?
- 1...Sxe4
- 2.Sc4#
- 1...Kxe4!
- 1...Sxe4
- 1.c3?
- threat
- 2.Sc2#
- 1...Sxe8
- 2.Sc4#
- 1...f3
- 2.Qxg5#
- 1...d3
- 2.Rxd3#
- 1...Qe7!
- threat
- 1.c4?
- threat
- 2.Sc2#
- 1...f3
- 2.Qxg5#
- 1...Qe7
- 2.Bxd4#
- 1...d3
- 2.Rxd3#
- 1...Sxe8!
- threat
- 1.g4?
- threat
- 2.Sg2#
- 1...Sxe8
- 2.Sc4#
- 1...f3
- 2.Qxg5#
- 1...Qe7
- 2.Bxd4#
- 1...gxh4!
- threat
- 1.Sf5+?
- Keys
- 1.g3!
- threat
- 2.Sg2#
- 1...Sxe8
- 2.Sc4#
- 1...gxh4
- 2.Qxf4#
- 1...Qe7
- 2.Bxd4#
- 1...f3
- 2.Qxg5#
- threat
- 1.g3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 15
- Sets
- Q(j);N_GUARD::B(A),XP(c)
- Q(j);N_GUARD,N_SPINB(d)::B(A),XP(c)
- S(h);N_GUARD::S(F),XS(h)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD,N_SPINB(d),XR(J)::S(F)
- P(c);OGATE::R1(H),XP(c)
- P(e);OGATEB,P_SPINP(g)::QAB(I),XP(g)
- Tries
- Try
- S(G);CHECK
- Vars
- S(h);XS(G)::S(F)
- Refutation
- P(i);XS(G)
- Try
- R(H);XP(g)
- Threat
- R(H)
- Vars
- S(h);N_GUARD,N_SPINB(d),XR(J)::S(F)
- P(e);OGATEB::QAB(I)+R(H),XP(i)
- S(h);N_GUARD::S(F)
- Refutation
- Q(j);N_SPINB(d)
- Try
- R(H);XS(h)
- Threat
- S(F)
- Vars
- P(e);OGATEB,P_SPINP(g)::QAB(I),XP(g)
- Q(j);N_GUARD::B(A),XP(c)
- Refutation
- Q(j);
- Try
- R(J);CHECK,XB(d)
- Vars
- S(h);SBLOCK,XR(J)::S(F)
- Refutation
- K(b);P-FLIGHT,XR(J)
- Try
- P(C);
- Threat
- S(F)
- Vars
- S(h);N_GUARD,N_SPINB(d),XR(J)::S(F)
- P(e);OGATEB,P_SPINP(g)::QAB(I),XP(g)
- P(c);OGATE::R1(H),XP(c)
- Refutation
- Q(j);N_SPINB(d)
- Try
- P(C);
- Threat
- S(F)
- Vars
- P(e);OGATEB,P_SPINP(g)::QAB(I),XP(g)
- Q(j);N_GUARD,N_SPINB(d)::B(A),XP(c)
- P(c);OGATE::R1(H),XP(c)
- Refutation
- S(h);N_SPINB(d),XR(J)
- Try
- P(E);
- Threat
- S(G)
- Vars
- S(h);N_GUARD,N_SPINB(d),XR(J)::S(F)
- P(e);OGATEB,P_SPINP(g)::QAB(I),XP(g)
- Q(j);N_GUARD,N_SPINB(d)::B(A),XP(c)
- Refutation
- P(g);P_SPINP(e),XS(G)
- Try
- Actual
- P(E);
- Threat
- S(G)
- Vars
- S(h);N_GUARD,N_SPINB(d),XR(J)::S(F)
- P(g);OGATE,P_SPINP(e),XS(G)::QAB1(I),XP(e)
- Q(j);N_GUARD,N_SPINB(d)::B(A),XP(c)
- P(e);OGATEB,P_SPINP(g)::QAB(I),XP(g)
Developed and maintained by Brian Stephenson.
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