MESON Chess Problem Database

Problem Display
PID: 232717 (6BQ/pp6/qkb4R/pn2Bp2/P4K2/3N4/8/1R6 w - - 0 1)

Groeneveld, Cornelis

Freie Presse, 1983

6BQ/pp6/qkb4R/pn2Bp2/P4K2/3N4/8/1R6

#2

8 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Be6?
      • threat
        • 2.Qd8#
      • 1...Bh1
        • 2.Bd5#
      • 1...Bg2
        • 2.Bd5#
      • 1...Bf3
        • 2.Bd5#
      • 1...Be4
        • 2.Bd5#
      • 1...Bd5
        • 2.Bxd5#
      • 1...Bd7
        • 2.Bxd7#
      • 1...Be8!
  • Keys
    • 1.Bb3!
      • 1...Sd6
        • 2.Qd8#
      • 1...Sa3
        • 2.Qd8#
      • 1...Sc3
        • 2.Qd8#
      • 1...Sd4
        • 2.Qd8#
      • 1...Sc7
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);N_PINB(f)
      • Threat
        • QAB(H)
      • Vars
        • B(f);OGATEB::R(F)+B(G)
        • B(f);OGATEB::R(F)+B(G),XB(f)
      • Refutation
        • B(f);
  • Actual
    • B(G);N_PINS(b)
    • Vars
      • S(b);N_GUARD,N_SPINB(f)::QAB(H)
      • S(b);N_GUARD::QAB(H)
      • S(b);N_GUARD,SBLOCK::B(E)
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