MESON Chess Problem Database

Problem Display
PID: 254590 (8/8/8/2P1p2p/4Qn1k/R5pN/3P4/3BK2R w K - 0 1)

Niemzowitsch, B

Wiener Schachzeitung, 1937

8/8/8/2P1p2p/4Qn1k/R5pN/3P4/3BK2R

#2

8 + 5

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rf1?
      • 1...Kxh3
        • 2.Rh1#
        • 2.Qh1#
      • 1...g2!
    • 1.Rg1?
      • 1...Kxh3
        • 2.Rh1#
        • 2.Qh1#
      • 1...g2!
    • 1.Rf3?
      • 1...Kg4
        • 2.Rxf4#
      • 1...g2!
    • 1.d4?
      • 1...exd4
        • 2.Qxf4#
        • 2.Qe7#
      • 1...g2!
  • Keys
    • 1.0-0!
      • 1...Kxh3
        • 2.Qh1#
      • 1...g2
        • 2.Qe1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Refutation
        • P(a);
    • Try
      • R(C);
      • Refutation
        • P(a);
    • Try
      • R(E);
      • Vars
        • K(c);P-FLIGHT::B(A)+R(E),DCHECK,XS(b)
      • Refutation
        • P(a);
    • Try
      • P(D);
      • Refutation
        • P(a);
  • Actual
    • K(B);0-0
    • Vars
      • K(c);N_SPINS(b),OGATEB,P-FLIGHT,P_SPINP(a),XS(F)::QAR2(G)
      • P(a);OGATEB::QAB(G)
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