MESON Chess Problem Database

Problem Display
PID: 199604 (B2N2KB/8/3P1r2/4k3/1Q6/4Np2/5P2/8 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Uralski Problemist, 1996

B2N2KB/8/3P1r2/4k3/1Q6/4Np2/5P2/8

#2

8 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qa3?
      • 1...Kd4
        • 2.Bxf6#
      • 1...Kf4!
    • 1.Qc3+?
      • 1...Kf4
        • 2.Qxf6#
      • 1...Kxd6!
    • 1.Qb2+?
      • 1...Kf4
        • 2.Qxf6#
      • 1...Kxd6!
  • Keys
    • 1.Kg7!
      • 1...Rg6+
        • 2.Kxg6#
      • 1...Rf7+
        • 2.Kxf7#
      • 1...Rxd6
        • 2.Qe4#
      • 1...Rf4
        • 2.Qc5#
      • 1...Rf5
        • 2.Sg4#
      • 1...Re6
        • 2.Sc6#
        • 2.Sf7#
      • 1...Rh6
        • 2.Kxh6#
      • 1...Rf8
        • 2.Kxf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Vars
        • K(b);S_FLIGHT::B(H),XR(c)
      • Refutation
        • K(b);N_SPINR(c),S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);N_SPINR(c),OGATE,S_FLIGHT::QAR2(C),XR(c)
      • Refutation
        • K(b);N_SPINR(c),S_FLIGHT,XP(D)
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);N_SPINR(c),OGATE,S_FLIGHT::QAR2(C),XR(c)
      • Refutation
        • K(b);N_SPINR(c),S_FLIGHT,XP(D)
  • Actual
    • K(G);N_PINR(c),P-FLIGHT
    • Vars
      • R(c);CHECK::B(H)+K(G),XR(c)
      • R(c);SBLOCK,XP(D)::QAR1(C)
      • R(c);SBLOCK::QAR2(C)
      • R(c);SBLOCK::S(B)
      • R(c);::B(H)+K(G),XR(c)
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