MESON Chess Problem Database

Problem Display
PID: 157009 (4r3/4B1Q1/bppp1p2/pk5B/p7/2K5/8/8 w - - 0 1)

Amirov, Talip Khasanovich

Buletin Problemistic, 1979

4r3/4B1Q1/bppp1p2/pk5B/p7/2K5/8/8

#2

4 + 9

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Bxe8#
    • 1...d5
      • 2.Be2#
  • Tries
    • 1.Qf7?
      • threat
        • 2.Qc4#
      • 1...c5
        • 2.Qxe8#
      • 1...d5
        • 2.Be2#
      • 1...Kc5!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qc4#
      • 1...Kc5
        • 2.Qf5#
      • 1...c5
        • 2.Bxe8#
        • 2.Qd7#
      • 1...d5
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(f);OGATEB,SBLOCK::B(B),XR(i)
    • P(g);::B(B)
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAB1(D)
      • Vars
        • P(f);OGATEB,SBLOCK::QAB(D),XR(i)
        • P(g);::B(B)
      • Refutation
        • K(c);P-FLIGHT,P_SPINP(g)
  • Actual
    • Q(D);
    • Threat
      • QAB1(D)
    • Vars
      • K(c);P-FLIGHT,P_SPINP(g)::QAR(D)
      • P(g);::QAB(D)
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