MESON Chess Problem Database

Problem Display
PID: 232976 (8/8/R7/8/pk2B3/8/P7/3QK3 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2000

8/8/R7/8/pk2B3/8/P7/3QK3

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ka3
      • 2.Qb3#
  • Tries
    • 1.Qxa4+?
      • 1...Kc5
        • 2.Rc6#
      • 1...Kc3!
  • Keys
    • 1.Qd4+!
      • 1...Ka3
        • 2.Rxa4#
      • 1...Kb5
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);P_SPINP(a),S_FLIGHT::QAR1(A)
  • Tries
    • Try
      • Q(A);CHECK,XP(a)
      • Vars
        • K(b);S_FLIGHT::R1(E)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);CHECK
    • Vars
      • K(b);P_SPINP(a),S_FLIGHT::R1(E),XP(a)
      • K(b);P-FLIGHT::B(D)
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