MESON Chess Problem Database
Problem Display
PID: 81629 (4R3/BpKPNp1B/2P1Np2/3Pkr2/2PRr3/1Q5b/1P3Pn1/2n5 w - - 0 1)
Gvozdjak, Peter
1st Prize, Zappas MT, 2008
#2
14 + 9
| 56 | The Problemist | 2008 |
| 145 | StrateGems | 2009 |
| 23 | Die Schwalbe | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.Rxe4#
- 1...Rf3
- 2.Rxe4#
- 1...Rg5
- 2.Rxe4#
- 1...Rh5
- 2.Rxe4#
- 1...bxc6
- 2.Sxc6#
- 1...fxe6
- 2.Sg6#
- 1...Rxf2
- Tries
- 1.Sf4?
- threat
- 2.Seg6#
- 1...Kxf4
- 2.Qg3#
- 1...Rfxf4
- 2.Sf5#
- 1...Rg5
- 2.Rxe4#
- 1...Rh5
- 2.Rxe4#
- 1...b6!
- threat
- 1.Sg5?
- threat
- 2.Sg6#
- 2.Rxe4#
- 1...Kf4
- 2.Qg3#
- 1...Rxd4
- 2.Sg6#
- 1...Rxf2
- 2.Rxe4#
- 1...Rxg5
- 2.Rxe4#
- 1...b6
- 2.Rxe4#
- 1...Re1
- 2.Sxf7#
- 2.Sxf5#
- 2.Sg6#
- 2.Sc8#
- 2.Sg8#
- 1...Re2
- 2.Sxf7#
- 2.Sxf5#
- 2.Sg6#
- 2.Sc8#
- 2.Sg8#
- 1...Re3
- 2.Sxf7#
- 2.Sxf5#
- 2.Sg6#
- 2.Sc8#
- 2.Sg8#
- 1...Ref4
- 2.Sxf7#
- 2.Sxf5#
- 2.Sg6#
- 2.Sc8#
- 2.Sg8#
- 1...Rg4
- 2.Sxf7#
- 2.Sxf5#
- 2.Sg6#
- 2.Sc8#
- 2.Sg8#
- 1...Rh4
- 2.Sxf7#
- 2.Sxf5#
- 2.Sg6#
- 2.Sc8#
- 2.Sg8#
- 1...Rf3
- 2.Rxe4#
- 1...Rff4
- 2.Sxf7#
- 2.Sf5#
- 1...fxg5!
- threat
- 1.Sg7?
- threat
- 2.Sg6#
- 1...Kf4
- 2.Qg3#
- 1...b6!
- threat
- 1.Sd8?
- threat
- 2.Sg6#
- 1...Kf4
- 2.Qg3#
- 1...Rxf2
- 2.Rxe4#
- 1...Rf3
- 2.Rxe4#
- 1...Rff4
- 2.Sf5#
- 2.Sxf7#
- 1...Rg5
- 2.Rxe4#
- 1...Rh5
- 2.Rxe4#
- 1...b6!
- threat
- 1.Sf8?
- threat
- 2.Seg6#
- 1...Kf4
- 2.Qg3#
- 1...Rxf2
- 2.Rxe4#
- 1...Rf3
- 2.Rxe4#
- 1...Rff4
- 2.Sf5#
- 1...Rg5
- 2.Rxe4#
- 1...Rh5
- 2.Rxe4#
- 1...b6!
- threat
- 1.Bc5?
- threat
- 2.Bd6#
- 1...fxe6
- 2.Sg6#
- 1...Rxd4!
- threat
- 1.cxb7?
- threat
- 2.Sc6#
- 1...fxe6
- 2.Sg6#
- 1...Rxd4!
- threat
- 1.d8S?
- threat
- 2.Sxf7#
- 1...fxe6
- 2.Sg6#
- 1...Rxd4!
- threat
- 1.Sf4?
- Keys
- 1.Sc5!
- threat
- 2.Rxe4#
- 1...Kxd4
- 2.Qc3#
- 1...Kf4
- 2.Qg3#
- 1...Rxd4
- 2.Sg6#
- 1...Re1
- 2.Sxf5#
- 1...Re2
- 2.Sxf5#
- 1...Re3
- 2.Sxf5#
- 1...Ref4
- 2.Sxf5#
- 1...Rg4
- 2.Sxf5#
- 1...Rh4
- 2.Sxf5#
- 1...Rff4
- 2.Sf5#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 6
- Sets
- R(f);XP(B)::R1(E),XR(d)
- R(f);::R1(E),XR(d)
- P(h);XP(G)::S(L),XP(h)
- P(i);N_GUARD,XS(H)::S(L)
- Tries
- Try
- S(H);
- Threat
- R(N)+S(L),DCHECK
- Vars
- K(e);OGATEB,P_SPINR(d),S_FLIGHT,XS(H)::QAB1(C)
- R(f);SBLOCK,XS(H)::R(N)+S(L)
- R(f);::R1(E),XR(d)
- Refutation
- P(h);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- K(e);P_SPINR(d),S_FLIGHT::QAB1(C)
- R(d);XR(E)::R(N)+S(L),DCHECK
- R(f);XP(B)::R1(E),XR(d)
- R(f);XS(H)::R1(E),XR(d)
- P(h);::R1(E),XR(d)
- R(f);::R1(E),XR(d)
- Refutation
- P(g);XS(H)
- Try
- S(H);
- Threat
- R(N)+S(L),DCHECK
- Vars
- K(e);P_SPINR(d),S_FLIGHT::QAB1(C)
- Refutation
- P(h);
- Try
- S(H);
- Threat
- R(N)+S(L),DCHECK
- Vars
- K(e);P_SPINR(d),S_FLIGHT::QAB1(C)
- R(f);XP(B)::R1(E),XR(d)
- R(f);::R1(E),XR(d)
- Refutation
- P(h);
- Try
- S(H);
- Threat
- R(N)+S(L),DCHECK
- Vars
- K(e);P_SPINR(d),S_FLIGHT::QAB1(C)
- R(f);XP(B)::R1(E),XR(d)
- R(f);::R1(E),XR(d)
- R(f);SBLOCK::R(N)+S(L)
- Refutation
- P(h);
- Try
- B(I);
- Threat
- B(I)
- Vars
- P(i);N_GUARD,XS(H)::S(L)
- Refutation
- R(d);XR(E)
- Try
- P(G);XP(h)
- Threat
- S(L)
- Vars
- P(i);N_GUARD,XS(H)::S(L)
- Refutation
- R(d);XR(E)
- Try
- P(K);
- Threat
- S(K),XP(i)
- Vars
- P(i);N_GUARD,XS(H)::S(L)
- Refutation
- R(d);XR(E)
- Try
- Actual
- S(H);
- Threat
- R1(E),XR(d)
- Vars
- K(e);OGATEB,S_FLIGHT,XR(E)::QAB1(C)
- K(e);P_SPINR(d),S_FLIGHT::QAB1(C)
- R(d);SBLOCK,XR(E)::R(N)+S(L),DCHECK
- R(d);::R(N)+S(L),XR(f)
- R(f);SBLOCK::R(N)+S(L)
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