MESON Chess Problem Database

Problem Display
PID: 248132 (2nN3R/Q2bp1k1/2p4R/7p/B7/8/8/b1B4K w - - 0 1)

de Blasio, Francis JC

Sjakk-Nytt, 1947

2nN3R/Q2bp1k1/2p4R/7p/B7/8/8/b1B4K

#2

7 + 7

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e6
      • 2.Qg1#
  • Tries
    • 1.Se6+?
      • 1...Kf7
        • 2.Rf8#
      • 1...Bxe6!
  • Keys
    • 1.Bb3!
      • threat
        • 2.Rg8#
      • 1...Be6
        • 2.Qxa1#
      • 1...e6
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(e);P_SPINB(d)::QAR(E)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(f);P-FLIGHT::R1(G)
      • Refutation
        • B(d);P_SPINP(e),XS(F)
  • Actual
    • B(C);
    • Threat
      • R1(G)
    • Vars
      • B(d);P_SPINP(e)::QAB(E),XB(a)
      • P(e);P_SPINB(d)::QAR(E)
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