MESON Chess Problem Database

Problem Display
PID: 233007 (7R/8/1Q3pkB/2K5/8/8/4B3/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2005

7R/8/1Q3pkB/2K5/8/8/4B3/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kd5?
      • 1...Kf5
        • 2.Qb1#
      • 1...Kf7!
    • 1.Qa7?
      • threat
        • 2.Qh7#
      • 1...f5
        • 2.Qg7#
      • 1...Kf5!
    • 1.Qc7?
      • threat
        • 2.Qh7#
      • 1...f5
        • 2.Qg7#
      • 1...Kf5!
    • 1.Qb3?
      • 1...f5
        • 2.Qe6#
      • 1...Kf5!
    • 1.Qc6?
      • 1...Kf7
        • 2.Qe8#
      • 1...Kf5!
    • 1.Qd6?
      • 1...Kf7
        • 2.Bh5#
      • 1...Kf5!
    • 1.Qb7?
      • threat
        • 2.Qh7#
      • 1...f5
        • 2.Qg7#
      • 1...Kf5!
  • Keys
    • 1.Kd6!
      • 1...Kf5
        • 2.Qb1#
      • 1...Kf7
        • 2.Bh5#
      • 1...f5
        • 2.Ke7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB(C)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(C);N_PINP(a)
      • Threat
        • QAB1(C)
      • Vars
        • P(a);SBLOCK::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);N_PINP(a)
      • Threat
        • QAB1(C)
      • Vars
        • P(a);SBLOCK::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);N_PINP(a)
      • Vars
        • P(a);OGATEB::QAR2(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::B(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(C);N_PINP(a)
      • Threat
        • QAB1(C)
      • Vars
        • P(a);SBLOCK::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • K(B);N_PINP(a),S_FLIGHT
    • Vars
      • K(b);S_FLIGHT::QAB(C)
      • K(b);S_FLIGHT::B(A)
      • P(a);SBLOCK::QAR(C)+K(B)
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