MESON Chess Problem Database
Problem Display
PID: 34835 (1qb1nb2/1P2P2r/Q5PB/3PkN2/1N1R4/2P3K1/1n1P4/5R2 w - - 0 1)
Grinblat, Arieh
Retter, Yosef
2nd Prize, Ukrainian Folk Crafts, 2001
#2
13 + 7
| 23 | Die Schwalbe | 2001 |
| 56 | The Problemist | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Bxf5
- 2.Bf4#
- 1...Be6
- 2.Qxe6#
- 1...Bxb7
- 2.Qe6#
- 1...Sd1
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sa4
- 2.Sd3#
- 1...Sc4
- 2.Sd3#
- 1...Sf6
- 2.Sc6#
- 1...Sc7
- 2.Qd6#
- 1...Bxf5
- Tries
- 1.Sh4?
- threat
- 2.Bf4#
- 2.Re1#
- 1...Rxh6
- 2.Re1#
- 1...Qd6
- 2.Qe2#
- 1...Rf7
- 2.Re1#
- 1...Bg4
- 2.Bf4#
- 1...Bf5
- 2.Sf3#
- 2.Bf4#
- 2.Rxf5#
- 1...Be6
- 2.Qxe6#
- 1...Sd1
- 2.Sd3#
- 2.Bf4#
- 1...Sd3
- 2.Sxd3#
- 1...Sc4
- 2.Sd3#
- 2.Bf4#
- 1...Sd6
- 2.Sc6#
- 1...Sf6
- 2.Bf4#
- 2.Qxf6#
- 1...Bxh6!
- threat
- 1.Bg5?
- threat
- 2.Sc6#
- 2.Qe2#
- 1...Qxb7
- 2.Qe2#
- 1...Bxf5
- 2.Bf4#
- 1...Bxb7
- 2.Qe2#
- 2.Qe6#
- 1...Qd6
- 2.Qe2#
- 1...Qc7
- 2.Qe2#
- 1...Rh2
- 2.Sc6#
- 1...Rh4
- 2.Sc6#
- 1...Bd7
- 2.Qe2#
- 1...Sd1
- 2.Sd3#
- 2.Sc6#
- 1...Sd3
- 2.Sxd3#
- 2.Sc6#
- 1...Sc4
- 2.Sd3#
- 2.Sc6#
- 1...Sd6
- 2.Sc6#
- 1...Sf6
- 2.Sc6#
- 2.Bxf6#
- 2.Qxf6#
- 1...Rh3+!
- threat
- 1.Qf6+?
- 1...Sxf6
- 2.Sc6#
- 1...Kxf6+!
- 1...Sxf6
- 1.exf8Q?
- threat
- 2.Sc6#
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 1...Qxb7
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 1...Rxh6
- 2.Sc6#
- 2.Re1#
- 2.Qe2#
- 1...Bxf5
- 2.Sc6#
- 2.Bf4#
- 2.Rxf5#
- 2.Qxf5#
- 1...Bxb7
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 2.Qe6#
- 1...Qd6
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 1...Qc7
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 1...Rc7
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 1...Bd7
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 1...Sd1
- 2.Sd3#
- 2.Sc6#
- 2.Bf4#
- 1...Sd3
- 2.Sxd3#
- 2.Sc6#
- 1...Sc4
- 2.Sd3#
- 2.Sc6#
- 2.Bf4#
- 1...Sd6
- 2.Sc6#
- 2.Bf4#
- 1...Sf6
- 2.Sc6#
- 2.Qaxf6#
- 2.Qfxf6#
- 1...Rf7!
- threat
- 1.exf8R?
- threat
- 2.Sc6#
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 1...Qxb7
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 1...Rxh6
- 2.Sc6#
- 2.Re1#
- 2.Qe2#
- 1...Bxf5
- 2.Bf4#
- 2.R1xf5#
- 2.R8xf5#
- 1...Bxb7
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 2.Qe6#
- 1...Qd6
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 1...Qc7
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 1...Rc7
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 1...Bd7
- 2.Bf4#
- 2.Re1#
- 2.Qe2#
- 1...Sd1
- 2.Sd3#
- 2.Sc6#
- 2.Bf4#
- 1...Sd3
- 2.Sxd3#
- 2.Sc6#
- 1...Sc4
- 2.Sd3#
- 2.Sc6#
- 2.Bf4#
- 1...Sd6
- 2.Sc6#
- 2.Bf4#
- 1...Sf6
- 2.Sc6#
- 2.Qxf6#
- 1...Rf7!
- threat
- 1.Sh4?
- Keys
- 1.Sd6!
- threat
- 2.Re4#
- 1...Qxd6
- 2.Qe2#
- 1...Sxd6
- 2.Sc6#
- 1...Bf5
- 2.Rxf5#
- 1...Sf6
- 2.Bf4#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- B(e);SBLOCK,XS(H)::B(K)
- B(e);N_GUARD::QAR1(I),XB(e)
- B(e);N_GUARD,XP(L)::QAR1(I)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(f);SBLOCK::S(E)
- S(f);N_GUARD,S_CUTQ(d)::QAB1(I)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(c);XB(K)::R(A)
- Q(d);SBLOCK::QAR(I)
- R(c);::R(A)
- B(e);::B(K)
- B(e);N_GUARD::QAR1(I),XB(e)
- S(a);N_GUARD::S(E),XS(a)
- S(f);SBLOCK::S(E)
- Refutation
- B(g);XB(K)
- Try
- B(K);
- Threat
- DUALS(2)
- Vars
- Q(d);XP(L)::QAR(I)
- B(e);SBLOCK,XS(H)::B(K)
- Q(d);::QAR(I)
- R(c);::S(E)
- B(e);::QAR(I)
- S(f);::S(E)
- Refutation
- R(c);CHECK
- Try
- Q(I);CHECK
- Vars
- S(f);SBLOCK,XQ(I)::S(E)
- Refutation
- K(b);CHECK,S_FLIGHT,XQ(I)
- Try
- P(M);XB(g)
- Threat
- DUALS(4)
- Refutation
- R(c);
- Try
- P(M);XB(g)
- Threat
- DUALS(4)
- Refutation
- R(c);
- Try
- Actual
- S(H);
- Threat
- R1(F)
- Vars
- Q(d);SBLOCK,XS(H)::QAR(I)
- S(f);SBLOCK,XS(H)::S(E)
- B(e);N_GUARD::R1(A),XB(e)
- S(f);SBLOCK::B(K)
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