MESON Chess Problem Database

Problem Display
PID: 152315 (2R5/2br4/Q4Bp1/2k2r1R/P4Np1/P2Bp1K1/1p1P4/8 w - - 0 1)

Leibovici, Paul

Die Schwalbe, 1937

2R5/2br4/Q4Bp1/2k2r1R/P4Np1/P2Bp1K1/1p1P4/8

#2

10 + 8

56 The Problemist 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd3
      • 2.Rxc7#
    • 1...Rd4
      • 2.Rxc7#
    • 1...Rd5
      • 2.Rxc7#
    • 1...Rd6
      • 2.Qb5#
    • 1...Rd8
      • 2.Rxc7#
  • Tries
    • 1.Bd4+?
      • 1...Rxd4
        • 2.Rxc7#
      • 1...Kxd4!
    • 1.Rxf5+?
      • 1...Rd5
        • 2.Rxd5#
        • 2.Rxc7#
      • 1...gxf5!
  • Keys
    • 1.Be4!
      • threat
        • 2.Qc6#
      • 1...Re5
        • 2.Se6#
      • 1...Rfd5
        • 2.d4#
      • 1...Rdd5
        • 2.Rxc7#
      • 1...Rd6
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(h);N_GUARD,XB(C)::R(J),XB(g)
    • R(h);N_GUARD::R(J),XB(g)
    • R(h);N_GUARD,N_SPINR(e)::R(J),XB(g)
    • R(h);N_PINS(F),SBLOCK::QAR1(H)
  • Tries
    • Try
      • B(I);CHECK
      • Vars
        • R(h);SBLOCK,XB(I)::R(J),XB(g)
      • Refutation
        • K(d);N_SPINB(g),N_SPINR(e),S_FLIGHT,XB(I)
    • Try
      • R(G);CHECK,XR(e)
      • Refutation
        • P(f);XR(G)
  • Actual
    • B(C);
    • Threat
      • QAR1(H)
    • Vars
      • R(e);N_PINS(F)::S(F)
      • R(e);S_CUTR(h)::P(A)
      • R(h);N_GUARD,N_SPINR(e)::R(J),XB(g)
      • R(h);N_PINS(F),SBLOCK::QAR1(H)
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Developed and maintained by Brian Stephenson.
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