MESON Chess Problem Database

Problem Display
PID: 267998 (3R4/1p2N3/B2qpR1B/3b4/1P1k1b2/p3r3/2Q2P2/K2N4 w - - 0 1)

Malishev, Aleksandr Fedorovich

Shakhmatnaya kompozitsiya, 1995

3R4/1p2N3/B2qpR1B/3b4/1P1k1b2/p3r3/2Q2P2/K2N4

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Qc4#
    • 1...Re4
      • 2.Qc3#
    • 1...Re5
      • 2.Qd3#
    • 1...Be5
      • 2.Bxe3#
      • 2.fxe3#
    • 1...Be4
      • 2.Qc5#
    • 1...e5
      • 2.Sf5#
  • Tries
    • 1.Rxf4+?
      • 1...Ke5
        • 2.Sg6#
      • 1...Re4
        • 2.Qc3#
      • 1...Be4
        • 2.Qc5#
      • 1...Qxf4!
    • 1.Qc4+?
      • 1...Ke5
        • 2.Qxf4#
      • 1...Bxc4!
  • Keys
    • 1.Bg7!
      • threat
        • 2.Rxf4#
      • 1...Ke5
        • 2.Rf5#
        • 2.Rg6#
        • 2.Rh6#
        • 2.Rf7#
        • 2.Rff8#
      • 1...Qe5
        • 2.Qc4#
      • 1...Re4
        • 2.Qc3#
      • 1...Re5
        • 2.Qd3#
      • 1...Bh2
        • 2.Rf4#
      • 1...Bg3
        • 2.Rf4#
      • 1...Be5
        • 2.fxe3#
      • 1...Bg5
        • 2.Rf4#
      • 1...Bh6
        • 2.Rf4#
      • 1...Be4
        • 2.Qc5#
      • 1...e5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • Q(f);P_SPINB(e),SBLOCK::QAR1(C)
    • R(b);N_GUARD,SBLOCK::QAB1(C)
    • R(b);N_GUARD,SBLOCK::QAR1(C)
    • B(e);P_SPINQ(f),SBLOCK::QAB1(C)
    • P(g);N_GUARD,SBLOCK::S(I)
  • Tries
    • Try
      • R(G);CHECK,XB(d)
      • Vars
        • K(c);S_CUTB(e),S_CUTQ(f),S_CUTR(b),S_FLIGHT::S(I)
        • R(b);P_SPINR(b)::QAB1(C)
        • B(e);P_SPINB(e),P_SPINQ(f)::QAB1(C)
      • Refutation
        • Q(f);P_SPINB(e),XR(G)
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::QAB1(C),XB(d)
      • Refutation
        • B(e);P_SPINQ(f),XQ(C)
  • Actual
    • B(H);
    • Threat
      • B(H)+R(G),DCHECK,XB(d)
    • Vars
      • Q(f);P_SPINB(e),SBLOCK::QAR1(C)
      • R(b);N_GUARD,SBLOCK::QAB1(C)
      • R(b);N_GUARD,SBLOCK::QAR1(C)
      • B(d);::B(H)+R(G),DCHECK
      • B(d);N_GUARD,SBLOCK::P(D),XR(b)
      • B(e);P_SPINQ(f),SBLOCK::QAB1(C)
      • P(g);N_GUARD,SBLOCK::S(I)
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