MESON Chess Problem Database

Problem Display
PID: 7759 (7B/2Np1p2/3rbpRK/3Pkpp1/3pp3/Q5N1/6P1/4R3 w - - 0 1)

Labai, Zoltan

3rd Prize, Praca, 1993

(First published on Sat Dec 4 1993)

7B/2Np1p2/3rbpRK/3Pkpp1/3pp3/Q5N1/6P1/4R3

#2

9 + 10

3681 FIDE Album (1992-1994) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Bxf6#
      • 2.Rxe4#
  • Tries
    • 1.Rf1?
      • threat
        • 2.Bxf6#
      • 1...Bxd5
        • 2.Rxf5#
      • 1...fxg6!
    • 1.Rxg5?
      • threat
        • 2.Rxe4#
      • 1...Kf4
        • 2.Qxd6#
      • 1...Bxd5
        • 2.Rxf5#
      • 1...e3!
  • Keys
    • 1.Rxf6!
      • threat
        • 2.Rxf5#
      • 1...Kf4
        • 2.Rxe4#
      • 1...Bxd5
        • 2.Qxd6#
      • 1...f4
        • 2.Rxe4#
        • 2.Rf5#
        • 2.Rxe6#
        • 2.Rxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);N_PINP(b),P_PINP(h)
      • Threat
        • B(I),XP(h)
      • Vars
        • B(g);N_GUARD,XP(E)::R1(A),XP(d)
      • Refutation
        • P(j);XR(F)
    • Try
      • R(F);XP(e)
      • Threat
        • R1(A),XP(b)
      • Vars
        • K(c);N_SPINP(b),S_FLIGHT::QAB(C),XR(f)
        • B(g);N_GUARD,XP(E)::R1(F),XP(d)
      • Refutation
        • P(b);
  • Actual
    • R(F);XP(h)
    • Threat
      • B(I)+R(F),DCHECK,XP(d)
    • Vars
      • K(c);N_SPINP(b),P_SPINP(d),S_FLIGHT::R1(A),XP(b)
      • B(g);P_PINR(F),XP(E)::QAB1(C),XR(f)
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