MESON Chess Problem Database

Problem Display
PID: 277003 (8/1r4p1/3p4/6P1/5N2/6pB/2Q1P1R1/Rb2K2k w Q - 0 1)

Kopyl, Valery Volodimirovich

Pat a Mat, 2009

8/1r4p1/3p4/6P1/5N2/6pB/2Q1P1R1/Rb2K2k

#2

8 + 6

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.0-0-0#
  • Tries
    • 1.Kd2?
      • threat
        • 2.Qd1#
        • 2.Qc1#
      • 1...Rc7
        • 2.Rxb1#
        • 2.Qd1#
      • 1...Rb2!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Bf5#
      • 1...Bxh7
        • 2.0-0-0#
      • 1...Bf5
        • 2.Bxf5#
        • 2.0-0-0#
      • 1...Bg6
        • 2.0-0-0#
      • 1...g6
        • 2.Bd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(a);::0-0-0
  • Tries
    • Try
      • K(B);P_PINB(a),S_FLIGHT
      • Threat
        • DUALS(2)
      • Refutation
        • R(e);P_PINQ(C)
  • Actual
    • Q(C);
    • Threat
      • QAR(C)+B(F)
    • Vars
      • B(a);XQ(C)::0-0-0
      • B(a);::0-0-0
      • P(f);S_CUTB(a)::QAR(C)+B(F)
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