MESON Chess Problem Database
Problem Display
PID: 67381 (8/7P/2pQ1n2/2PP4/1BpkN2n/4Nb1R/1P2P3/1B4K1 w - - 0 1)
Gvozdjak, Peter
1st Prize, Hoffmann (Fritz)-70 JT, 2003
#2
12 + 6
| 23 | Die Schwalbe | 2006 |
| 4901 | Best Problems | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.Bc3#
- 2.Qxf6#
- 1...Bxe2
- 2.Bc3#
- 2.Qxf6#
- 1...Bg2
- 2.Bc3#
- 2.Qxf6#
- 1...Bxe4
- 2.Bc3#
- 2.Qxf6#
- 1...Bg4
- 2.Bc3#
- 2.Qxf6#
- 1...Bh5
- 2.Bc3#
- 2.Qxf6#
- 1...Sg2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...Sxe4
- 2.Sc2#
- 1...Bh1
- Tries
- 1.Sd1?
- threat
- 2.Bc3#
- 2.e3#
- 1...Bxe2
- 2.Bc3#
- 1...Sxe4
- 2.e3#
- 1...Sg2
- 2.Bc3#
- 1...Sf5
- 2.Bc3#
- 1...Sg4
- 2.Bc3#
- 2.dxc6#
- 1...c3!
- threat
- 1.Sf1?
- threat
- 2.Bc3#
- 2.e3#
- 1...Bxe2
- 2.Bc3#
- 1...Sxe4
- 2.e3#
- 1...Sg2
- 2.Bc3#
- 1...Sf5
- 2.Bc3#
- 1...Sg4
- 2.Bc3#
- 2.dxc6#
- 1...c3!
- threat
- 1.Sd2?
- threat
- 2.Sc2#
- 1...Be4
- 2.Bc3#
- 2.Qxf6#
- 1...Kxe3!
- threat
- 1.Sc3?
- threat
- 2.Sc2#
- 1...Be4
- 2.Qxf6#
- 1...Kxe3!
- threat
- 1.Sxf6?
- threat
- 2.Sc2#
- 1...Kxe3
- 2.Qe5#
- 1...Be4
- 2.Bc3#
- 1...c3!
- threat
- 1.Bd2?
- threat
- 2.Qxf6#
- 1...Bxe4
- 2.Bc3#
- 1...Sxe4
- 2.Sc2#
- 1...Sxd5
- 2.h8Q#
- 2.h8B#
- 1...Sxh7
- 2.dxc6#
- 1...Sg6
- 2.Sf5#
- 1...Sg4
- 2.dxc6#
- 1...Sh5
- 2.dxc6#
- 1...Sd7
- 2.dxc6#
- 1...Sg8
- 2.dxc6#
- 1...Se8!
- threat
- 1.Rxf3?
- threat
- 2.Bc3#
- 2.Qxf6#
- 1...Sxe4
- 2.Sc2#
- 1...Sxd5
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sxh7
- 2.Bc3#
- 2.dxc6#
- 1...c3
- 2.Bxc3#
- 2.Qxf6#
- 2.bxc3#
- 1...Sg6
- 2.Sf5#
- 2.Bc3#
- 1...Sg4
- 2.Bc3#
- 2.dxc6#
- 1...Sh5
- 2.Bc3#
- 2.dxc6#
- 1...Sd7
- 2.Bc3#
- 2.dxc6#
- 1...Se8
- 2.Bc3#
- 1...Sg8
- 2.Bc3#
- 2.dxc6#
- 1...Sxf3+!
- threat
- 1.Qe5+?
- 1...Kxe3
- 2.Sxf6#
- 1...Kxe5!
- 1...Kxe3
- 1.dxc6+?
- 1...Kxe3
- 2.Qd2#
- 1...Sd5!
- 1...Kxe3
- 1.Sd1?
- Keys
- 1.Qf4!
- threat
- 2.Bc3#
- 1...Bxe4
- 2.Qxf6#
- 1...Sxe4
- 2.h8Q#
- 2.h8B#
- 1...Sxd5
- 2.Sc2#
- 1...c3
- 2.Bxc3#
- 2.bxc3#
- threat
- 1.Qf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- S(d);N_GUARD::S(E)
- S(d);N_GUARD::S(E),XS(d)
- S(f);SBLOCK,XS(H)::S(E)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(a);XP(D)::B(G)
- S(f);XS(H)::P(D)
- S(d);::B(G)
- Refutation
- P(b);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(a);XP(D)::B(G)
- S(f);XS(H)::P(D)
- S(d);::B(G)
- Refutation
- P(b);
- Try
- S(H);
- Threat
- S(E)
- Refutation
- K(c);P_SPINB(a),S_FLIGHT,XS(E)
- Try
- S(H);
- Threat
- S(E)
- Vars
- B(a);::QAB(K),XS(f)
- Refutation
- K(c);P_SPINB(a),S_FLIGHT,XS(E)
- Try
- S(H);XS(f)
- Threat
- S(E)
- Vars
- K(c);P_SPINB(a),S_FLIGHT,XS(E)::QAR2(K)
- B(a);::B(G)
- Refutation
- P(b);
- Try
- B(G);
- Threat
- QAB(K),XS(f)
- Vars
- B(a);XS(H)::B(G)
- S(f);SBLOCK,XS(H)::S(E)
- S(f);P_SPINS(f),XP(J)::P=Q
- S(f);N_GUARD,XP(L)::QAR(K)+P(J),XP(e)
- S(d);N_GUARD::S(E)
- S(f);N_GUARD::QAR(K)+P(J),XP(e)
- Refutation
- S(f);
- Try
- R(F);XB(a)
- Threat
- DUALS(2)
- Vars
- S(f);SBLOCK,XS(H)::S(E)
- S(f);::B(G)
- Refutation
- S(d);CHECK,XR(F)
- Try
- Q(K);CHECK
- Vars
- K(c);P_SPINB(a),S_FLIGHT,XS(E)::QAR(K)+S(H),XS(f)
- Refutation
- K(c);S_FLIGHT,XQ(K)
- Try
- P(J);CHECK,XP(e)
- Vars
- K(c);OGATE,P_SPINB(a),S_FLIGHT,XS(E)::QAB1(K)
- Refutation
- S(f);P_SPINS(f)
- Try
- Actual
- Q(K);
- Threat
- B(G)
- Vars
- B(a);P_SPINB(a),XS(H)::QAB(K),XS(f)
- S(f);P_SPINS(f),XS(H)::P=Q
- S(f);SBLOCK,XP(J)::S(E)
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