MESON Chess Problem Database

Problem Display
PID: 239656 (1B6/N1r5/r4P1p/pRNk2nR/8/2P2nQ1/1K4B1/3b4 w - - 0 1)

Pituk, Alexander

Nepszava, 1939

1B6/N1r5/r4P1p/pRNk2nR/8/2P2nQ1/1K4B1/3b4

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qxg5+?
      • 1...Kc4
        • 2.Qd5#
      • 1...Kd6
        • 2.Qd5#
      • 1...hxg5!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Se4#
      • 1...Kd6
        • 2.Sb7#
      • 1...Raxa7
        • 2.Qe6#
      • 1...Rxc5
        • 2.c4#
      • 1...Rcxa7
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK,XS(e)
      • Vars
        • K(d);N_SPINS(b),S_FLIGHT::QAB1(D)
        • K(d);N_SPINS(b),P-FLIGHT,P_SPINR(h)::QAR1(D)
      • Refutation
        • P(g);P_SPINP(g),XQ(D)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • K(d);N_SPINS(b),P-FLIGHT,P_SPINR(h),P_SPINS(e)::R(E)+S(F)
      • K(d);N_SPINS(b),P-FLIGHT,P_SPINR(h)::S(F)
      • R(f);N_GUARD,XS(I)::QAB1(D)
      • R(h);P_SPINR(h),XS(F)::P(C)
      • R(h);XS(I)::QAB1(D)
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