MESON Chess Problem Database

Problem Display
PID: 161811 (2Q5/8/Rp2B3/1K2k3/8/2Np4/3P2R1/8 w - - 0 1)

Akhaladze, Beka

ChessStar, 2015

2Q5/8/Rp2B3/1K2k3/8/2Np4/3P2R1/8

#2

7 + 3

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qh8#
  • Tries
    • 1.Bg4?
      • 1...Kd4
        • 2.Qh8#
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kf6!
    • 1.Bf5?
      • 1...Kd4
        • 2.Qh8#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kf6
        • 2.Qe6#
      • 1...Kf4!
    • 1.Rf2?
      • 1...Kd4
        • 2.Qh8#
      • 1...Kd6!
    • 1.Rg6?
      • 1...Kd4
        • 2.Qh8#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kf4!
    • 1.Qc6?
      • 1...Kd4
        • 2.Qe4#
        • 2.Qd5#
        • 2.Qd6#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf6!
    • 1.Qd8?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kxe6!
    • 1.Qf8?
      • 1...Kd4
        • 2.Qd6#
        • 2.Qg7#
        • 2.Qf4#
        • 2.Qf6#
        • 2.Qh8#
      • 1...Kxe6!
  • Keys
    • 1.Bh3!
      • 1...Kd4
        • 2.Qh8#
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kf6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB(G)
  • Tries
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::QAB(G)
        • K(b);S_FLIGHT::QAR1(G)
        • K(b);P_SPINP(c),S_FLIGHT::QAB1(G)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::QAB(G)
        • K(b);P_SPINP(c),S_FLIGHT::QAB1(G)
        • K(b);P_SPINP(c),S_FLIGHT::QAR1(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(b);S_FLIGHT::QAB(G)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(b);S_FLIGHT::QAB(G)
        • K(b);P_SPINP(c),S_FLIGHT::QAB1(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(b);S_FLIGHT::QAR1(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(b);S_FLIGHT::QAR2(G)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(c),XB(F)
    • Try
      • Q(G);
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(c),XB(F)
  • Actual
    • B(F);
    • Vars
      • K(b);S_FLIGHT::QAB(G)
      • K(b);S_FLIGHT::QAR1(G)
      • K(b);P_SPINP(c),S_FLIGHT::QAB1(G)
      • K(b);P_SPINP(c),S_FLIGHT::QAR1(G)
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