MESON Chess Problem Database

Problem Display
PID: 94986 (4K3/1P3PPP/5P2/3Bk1NR/1P6/4nP1P/Q4N2/2B1R3 w - - 0 1)

Gvozdjak, Peter

Pravda - Tirnavia, 1985-1986

4K3/1P3PPP/5P2/3Bk1NR/1P6/4nP1P/Q4N2/2B1R3

#2

16 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bb2#
    • 1...Kd6
      • 2.b8Q#
      • 2.b8B#
  • Tries
    • 1.Se6+?
      • 1...Kd6
        • 2.Se4#
        • 2.Qa6#
        • 2.b8Q#
        • 2.b8B#
        • 2.f8Q#
        • 2.f8B#
      • 1...Kxf6!
    • 1.g8Q?
      • 1...Kd4
        • 2.Bb2#
      • 1...Kf4
        • 2.Se6#
      • 1...Kd6
        • 2.b8Q#
        • 2.b8B#
      • 1...Kxf6
        • 2.Sge4#
      • 1...Kf5!
    • 1.g8R?
      • 1...Kd4
        • 2.Bb2#
      • 1...Kf4
        • 2.Se6#
      • 1...Kd6
        • 2.b8Q#
        • 2.b8B#
      • 1...Kxf6
        • 2.Sge4#
      • 1...Kf5!
  • Keys
    • 1.Qc2!
      • 1...Kd4
        • 2.Se6#
      • 1...Kf4
        • 2.b8Q#
        • 2.b8B#
      • 1...Kxd5
        • 2.Qc5#
      • 1...Kd6
        • 2.Sge4#
      • 1...Kxf6
        • 2.Bb2#

This is a version of 41924

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINS(a),S_FLIGHT::B(A)
    • K(b);N_SPINS(a),S_FLIGHT::P=Q
  • Tries
    • Try
      • S(I);CHECK
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT,XP(K)
    • Try
      • P(N);
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::B(A)
        • K(b);S_FLIGHT::S(I)
        • K(b);N_SPINS(a),S_FLIGHT::P=Q
        • K(b);N_SPINS(a),S_FLIGHT,XP(K)::S(I)
      • Refutation
        • K(b);N_SPINS(a),P-FLIGHT
    • Try
      • P(N);
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::B(A)
        • K(b);S_FLIGHT::S(I)
        • K(b);N_SPINS(a),S_FLIGHT::P=Q
        • K(b);N_SPINS(a),S_FLIGHT,XP(K)::S(I)
      • Refutation
        • K(b);N_SPINS(a),P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(b);N_SPINS(a),S_FLIGHT::S(I)
      • K(b);S_FLIGHT::P=Q
      • K(b);N_SPINS(a),OGATEB,P-FLIGHT,XB(H)::QAR1(C)
      • K(b);N_SPINS(a),S_FLIGHT,XP(K)::B(A)
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