MESON Chess Problem Database

Problem Display
PID: 243407 (bb2nK2/3RQNp1/1q1p2N1/1pPp4/1PPkpp1R/6P1/3P1r2/5BBn w - - 0 1)

Bata, Lorinc

Schweizerische Arbeiter Schachzeitung, 1950

bb2nK2/3RQNp1/1q1p2N1/1pPp4/1PPkpp1R/6P1/3P1r2/5BBn

#2

13 + 13

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Qxe3#
    • 1...dxc4
      • 2.Qe5#
  • Tries
    • 1.Bxf2+?
      • 1...e3
        • 2.Bxe3#
        • 2.Rxf4#
        • 2.Qxe3#
      • 1...Sxf2!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Se6#
      • 1...fxg3+
        • 2.Sf3#
      • 1...dxc4
        • 2.Qe5#
      • 1...dxc5
        • 2.Qxe4#
      • 1...Sc7
        • 2.Qxg7#
      • 1...e3
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(d);N_SPINR(b),OGATE,P_SPINP(e)::QAB1(K),XP(d)
    • P(g);P_SPINP(i),XP(F)::QAB1(K)
  • Tries
    • Try
      • B(B);CHECK,XR(b)
      • Refutation
        • S(a);XB(B)
  • Actual
    • S(L);
    • Threat
      • S(L)
    • Vars
      • P(e);CHECK,P_SPINP(d),XP(D)::S(L)
      • P(g);P_SPINP(i),XP(F)::QAB1(K)
      • P(i);P_SPINP(g),XP(H)::QAR1(K),XP(d)
      • S(m);N_GUARD::QAB(K),XP(j)
      • P(d);N_SPINR(b),OGATE,P_SPINP(e)::QAB1(K),XP(d)
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