MESON Chess Problem Database

Problem Display
PID: 134149 (2BQ4/8/8/R3P3/2K2kp1/5p2/3N1R2/8 w - - 0 1)

Taraba, Jozef

2nd Place, Match: Kezmarok - Zvolen, 1981

2BQ4/8/8/R3P3/2K2kp1/5p2/3N1R2/8

#2

7 + 3

14580 Chess Compositions (Taraba) 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qd4#
    • 1...g3
      • 2.Rxf3#
  • Tries
    • 1.Kc3?
      • 1...Ke3
        • 2.Qd4#
      • 1...g3
        • 2.Rxf3#
      • 1...Kg3!
    • 1.Kd3?
      • 1...g3
        • 2.Rxf3#
        • 2.Qh4#
        • 2.Qf6#
      • 1...Kg3!
    • 1.Kd4?
      • 1...g3
        • 2.Rxf3#
        • 2.Qh4#
        • 2.Qf6#
      • 1...Kg3!
    • 1.Bf5?
      • 1...Ke3
        • 2.Qd4#
      • 1...Kxf5
        • 2.Qf6#
      • 1...g3
        • 2.Rxf3#
      • 1...Kg3!
    • 1.Be6?
      • 1...Ke3
        • 2.Qd4#
      • 1...g3
        • 2.Rxf3#
      • 1...Kg3!
    • 1.Ra3?
      • 1...Kxe5
        • 2.Qd4#
      • 1...g3
        • 2.Qf6#
      • 1...Kg3!
    • 1.Rb5?
      • 1...Ke3
        • 2.Qd4#
      • 1...g3
        • 2.Rxf3#
      • 1...Kg3!
    • 1.Rc5?
      • 1...Ke3
        • 2.Qd4#
      • 1...g3
        • 2.Rxf3#
      • 1...Kg3!
    • 1.e6?
      • 1...Ke3
        • 2.Qd4#
      • 1...g3
        • 2.Qg5#
        • 2.Qd4#
      • 1...Kg3!
  • Keys
    • 1.Sf1!
      • 1...Ke4
        • 2.Qd4#
      • 1...g3
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);N_SPINP(a),S_FLIGHT::QAB1(G)
    • P(c);N_GUARD::R1(B),XP(a)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(G)
        • P(c);N_GUARD::R1(B),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(G)
        • K(b);OGATEB,P-FLIGHT,XB(F)::QAR1(G)
        • P(c);N_GUARD::R1(B),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(G)
        • P(c);N_GUARD::R1(B),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT,XP(E)::QAB1(G)
        • P(c);SBLOCK::QAR2(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(G)
        • P(c);N_GUARD::R1(B),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(G)
        • P(c);N_GUARD::R1(B),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • P(E);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(G)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
  • Actual
    • S(A);
    • Vars
      • K(b);N_SPINP(a),P-FLIGHT::QAR1(G)
      • P(c);OGATEB::QAR2(G)
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