MESON Chess Problem Database

Problem Display
PID: 259383 (8/6P1/8/5B2/Q2P1kbK/5P1p/8/3N4 w - - 0 1)

Malishev, Aleksandr Fedorovich

Buletin Problemistic, 1990

8/6P1/8/5B2/Q2P1kbK/5P1p/8/3N4

#2

7 + 3

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Tries
    • 1.g8Q?
      • threat
        • 2.Qxg4#
      • 1...Kxf3
        • 2.Qxg4#
      • 1...Kxf5
        • 2.Qf7#
      • 1...Bxf3
        • 2.Qg5#
      • 1...Bxf5
        • 2.Qg3#
      • 1...Bh5!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qe4#
      • 1...Kxf3
        • 2.Qe4#
      • 1...Kxf5
        • 2.Qf7#
      • 1...Bxf3
        • 2.Qe5#
      • 1...Bxf5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(G);
      • Threat
        • QAR1(G),XB(c)
      • Vars
        • K(b);P-FLIGHT,XP(B)::QAB1(G),XB(c)
        • K(b);OGATEB,P-FLIGHT,XB(F)::QAR2(G)
        • B(c);SBLOCK,XP(B)::QAB1(G)
        • B(c);OGATE,SBLOCK,XB(F)::QAB1(G)
      • Refutation
        • B(c);
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(b);P-FLIGHT,XP(B)::QAB1(C)
      • K(b);OGATEB,P-FLIGHT,XB(F)::QAR2(C)
      • B(c);SBLOCK,XP(B)::QAB1(C)
      • B(c);SBLOCK,XB(F)::QAB1(C)
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