MESON Chess Problem Database

Problem Display
PID: 161361 (8/Q7/4Bk2/4N2K/5b2/4B3/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Sa ogneupory, 1987

8/Q7/4Bk2/4N2K/5b2/4B3/8/8

#2

5 + 2

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe5
      • 2.Qf7#
  • Tries
    • 1.Qd7?
      • threat
        • 2.Sg4#
      • 1...Bxe5
        • 2.Bg5#
        • 2.Qf7#
      • 1...Kxe5!
  • Keys
    • 1.Bc8!
      • threat
        • 2.Sg4#
      • 1...Kxe5
        • 2.Qd4#
      • 1...Bxe5
        • 2.Bg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK,XS(B)::QAR1(E)
  • Tries
    • Try
      • Q(E);
      • Threat
        • S(B)
      • Refutation
        • K(b);S_FLIGHT,XS(B)
  • Actual
    • B(D);
    • Threat
      • S(B)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(B)::QAB1(E)
      • B(a);OGATE,SBLOCK,XS(B)::B(A)
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