MESON Chess Problem Database

Problem Display
PID: 195762 (rkb1R3/ppp1R3/3p3P/1PB1PPpK/4Qp1p/1PP3PB/1p6/8 w - g5 0 1)

Oosterholt, Cornelis Johannes

Haagsche Post, 1922

rkb1R3/ppp1R3/3p3P/1PB1PPpK/4Qp1p/1PP3PB/1p6/8

#2

13 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...c6
      • 2.Bxd6#
  • Tries
    • 1.Rxc7?
      • threat
        • 2.Rxb7#
        • 2.Rcxc8#
        • 2.Rexc8#
        • 2.Qxb7#
      • 1...d5
        • 2.Rcxc8#
        • 2.Rexc8#
      • 1...b6
        • 2.Rb7#
        • 2.Rcxc8#
        • 2.Rexc8#
        • 2.Qb7#
      • 1...Kxc7!
    • 1.b6?
      • threat
        • 2.bxc7#
      • 1...cxb6
        • 2.Bxd6#
        • 2.Rxb7#
        • 2.Qxb7#
      • 1...c6
        • 2.Bxd6#
      • 1...axb6!
    • 1.exd6?
      • threat
        • 2.dxc7#
      • 1...cxd6
        • 2.Bxd6#
        • 2.Rxb7#
        • 2.Qxb7#
      • 1...c6!
  • Keys
    • 1.fxg5 ep!
      • threat
        • 2.Rxc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • P(h);OGATEB::B(G),XP(e)
  • Tries
    • Try
      • R(L);XP(h)
      • Threat
        • DUALS(4)
      • Refutation
        • K(j);N_SPINB(k),S_FLIGHT,XR(L)
    • Try
      • P(F);
      • Threat
        • P(F),XP(h)
      • Vars
        • P(h);OGATEB::B(G),XP(e)
      • Refutation
        • P(f);XP(F)
    • Try
      • P(H);XP(e)
      • Threat
        • P(H),XP(h)
      • Refutation
        • P(h);
  • Actual
    • P(I);EP,XP(d)
    • Threat
      • R1(M),XB(k)
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