MESON Chess Problem Database
Problem Display
PID: 7446 (4QN2/4Np2/5p1b/2P1krR1/3p2p1/1r1bP3/1Ppn1B2/2K1R3 w - - 0 1)
Buglos, Janos
Die Schwalbe, 1990
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Be4
- 2.Bg3#
- 1...Se4
- 2.Rxf5#
- 1...Be4
- Tries
- 1.Rxf5+?
- 1...Ke4
- 2.Qc6#
- 1...Bxf5!
- 1...Ke4
- 1.Qc6?
- threat
- 2.Sd7#
- 2.Bg3#
- 2.Qd5#
- 1...Bxg5
- 2.Sd7#
- 2.Qd5#
- 1...Bxf8
- 2.Bg3#
- 2.Qd5#
- 1...fxg5
- 2.Sd7#
- 1...Rb7
- 2.Bg3#
- 2.Qd5#
- 1...Bc4
- 2.Sd7#
- 2.Bg3#
- 2.Rxf5#
- 1...Be4
- 2.Sd7#
- 2.Bg3#
- 2.Qd6#
- 2.Qc7#
- 1...Sf1
- 2.Sd7#
- 2.Qd5#
- 1...Se4
- 2.Sd7#
- 2.Rxf5#
- 2.Qd5#
- 1...g3
- 2.Sd7#
- 2.Bxg3#
- 2.Qd5#
- 1...dxe3!
- threat
- 1.Qd7?
- threat
- 2.Qxd4#
- 2.Qd5#
- 1...Ke4
- 2.Qxf5#
- 1...Bxf8
- 2.Qd5#
- 1...fxg5
- 2.Qxd4#
- 1...Rb4
- 2.Qd5#
- 1...Bc4
- 2.Qxf5#
- 2.Qxd4#
- 1...Be4
- 2.Bg3#
- 2.Qxd4#
- 2.Qd6#
- 2.Qc7#
- 1...Sf3
- 2.Qd5#
- 1...dxe3!
- threat
- 1.Rxf5+?
- Keys
- 1.e4!
- threat
- 2.Sd5#
- 2.Seg6#
- 2.Bg3#
- 2.Rxf5#
- 1...Kf4
- 2.Rxf5#
- 1...Rxg5
- 2.Sd5#
- 2.Seg6#
- 2.Bg3#
- 1...Bxe4
- 2.Rxf5#
- 1...Bxg5
- 2.Sd5#
- 2.Seg6#
- 1...Bxf8
- 2.Sg6#
- 1...Sxe4
- 2.Bg3#
- 1...fxg5
- 2.Sd5#
- 1...Be2
- 2.Sd5#
- 2.Seg6#
- 1...Rb6
- 2.Seg6#
- 2.Bg3#
- 2.Rxf5#
- 1...Rb7
- 2.Seg6#
- 2.Bg3#
- 2.Rxf5#
- 1...Rb8
- 2.Seg6#
- 2.Bg3#
- 2.Rxf5#
- 2.Qxb8#
- 1...Bf1
- 2.Sd5#
- 2.Seg6#
- 2.Rxf5#
- 1...Bc4
- 2.Sd5#
- 2.Seg6#
- 2.Rxf5#
- 1...Bb5
- 2.Seg6#
- 2.Rxf5#
- 2.Qb8#
- 1...Ba6
- 2.Sd5#
- 2.Seg6#
- 2.Rxf5#
- 1...Sb1
- 2.Sd5#
- 2.Seg6#
- 2.Bg3#
- 1...Sf1
- 2.Sd5#
- 2.Seg6#
- 1...Sf3
- 2.Sd5#
- 2.Seg6#
- 2.Bg3#
- 1...Sc4
- 2.Sd5#
- 2.Seg6#
- 2.Bg3#
- 1...g3
- 2.Sd5#
- 2.Seg6#
- 2.Bxg3#
- 2.Rxf5#
- threat
- 1.e4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(d);SBLOCK::B(D)
- S(b);SBLOCK,S_CUTB(d)::R1(G),XR(h)
- Tries
- Try
- R(G);CHECK,XR(h)
- Vars
- K(g);P-FLIGHT::QAB(I)
- Refutation
- B(d);XR(G)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- P(i);N_SPINR(h),XR(G)::S(J)
- Refutation
- P(e);P_SPINP(e),XP(E)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- K(g);N_SPINR(h),P-FLIGHT::QAB1(I),XR(h)
- B(j);XS(J)::QAR1(I)
- P(i);N_SPINR(h),XR(G)::QAB1(I),XP(e)
- R(c);::QAR1(I)
- S(b);::QAR1(I)
- Refutation
- P(e);P_SPINP(e),XP(E)
- Try
- Actual
- P(E);
- Threat
- DUALS(4)
- Vars
- K(g);N_SPINR(h),S_FLIGHT::R1(G),XR(h)
- B(d);P_SPINB(d),XP(E)::R1(G),XR(h)
- B(j);XS(J)::QAR(I)+S(H),DCHECK
- S(b);P_PINR(G),P_SPINS(b),XP(E)::B(D)
- P(i);N_SPINR(h),XR(G)::QAR(I)+S(H)
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