MESON Chess Problem Database

Problem Display
PID: 206811 (6B1/8/6p1/8/4Pp2/1Qbk1N2/2N3P1/5K2 w - - 0 1)

Zheltonozhko, V?

Sachova skladba, 1991

6B1/8/6p1/8/4Pp2/1Qbk1N2/2N3P1/5K2

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Qd5#
  • Tries
    • 1.Kf2?
      • 1...Kxe4
        • 2.Qd5#
      • 1...g5!
    • 1.Sfe1+?
      • 1...Kxe4
        • 2.Qd5#
      • 1...Kd2!
    • 1.Be6?
      • 1...Kxe4
        • 2.Qd5#
      • 1...g5!
    • 1.Bf7?
      • 1...Kxe4
        • 2.Bxg6#
        • 2.Qd5#
      • 1...g5!
    • 1.Qb5+?
      • 1...Kxe4
        • 2.Sg5#
        • 2.Qd5#
      • 1...Kxc2!
    • 1.e5?
      • 1...g5
        • 2.Bh7#
      • 1...Ke4!
  • Keys
    • 1.Bh7!
      • 1...Kxe4
        • 2.Bxg6#
      • 1...g5
        • 2.e5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINB(a),S_FLIGHT,XP(F)::QAB1(D)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);N_SPINB(a),S_FLIGHT,XP(F)::QAB1(D)
      • Refutation
        • P(d);
    • Try
      • S(E);CHECK
      • Vars
        • K(b);N_SPINB(a),S_FLIGHT,XP(F)::QAB1(D)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • B(G);
      • Vars
        • K(b);N_SPINB(a),S_FLIGHT,XP(F)::QAB1(D)
      • Refutation
        • P(d);
    • Try
      • B(G);
      • Refutation
        • P(d);
    • Try
      • Q(D);CHECK,N_PINB(a)
      • Refutation
        • K(b);S_FLIGHT,XS(B)
    • Try
      • P(F);
      • Vars
        • P(d);OGATEB::B(G)
      • Refutation
        • K(b);N_SPINB(a),S_FLIGHT
  • Actual
    • B(G);
    • Vars
      • K(b);N_SPINB(a),OGATEB,P_SPINP(d),S_FLIGHT,XP(F)::B(G),XP(d)
      • P(d);::B(G)+P(F)
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