MESON Chess Problem Database

Problem Display
PID: 15405 (4Rrrn/1N2pkBN/1p2p1pP/2PpK1PQ/2p5/4PB2/4p3/5R2 w - d5 0 1)

Ziak, Friedrich

Schach-Aktiv, 1983

4Rrrn/1N2pkBN/1p2p1pP/2PpK1PQ/2p5/4PB2/4p3/5R2

#2

12 + 11

14730 Problempalette II (Chlubna/Wenda) 1991

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe8
      • 2.Bxe2#
    • 1...Rxg7
      • 2.Rxf8#
    • 1...gxh5
      • 2.Bxh5#
  • Keys
    • 1.cxd5 ep!
      • threat
        • 2.Rxe7#
      • 1...exd6+
        • 2.Sxd6#
      • 1...Kxe8
        • 2.Bc6#
      • 1...Rxe8
        • 2.Bxe2#
      • 1...Rxg7
        • 2.Rxf8#
      • 1...gxh5
        • 2.Bxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(i);SBLOCK,XR(L)::R(A)+B(C),XP(a)
    • R(j);N_GUARD,XB(J)::R1(L),XR(i)
    • P(f);N_SPINP(f),OGATE,XQ(G)::R(A)+B(C),DCHECK,XP(f)
  • Actual
    • P(D);EP,XP(c)
    • Threat
      • R1(L),XP(g)
    • Vars
      • P(g);CHECK,XP(D)::S(I),XP(g)
      • K(h);S_FLIGHT,XR(L)::B(C)
      • R(i);SBLOCK,XR(L)::R(A)+B(C),XP(a)
      • R(j);N_GUARD,XB(J)::R1(L),XR(i)
      • P(f);N_SPINP(f),OGATE,XQ(G)::R(A)+B(C),DCHECK,XP(f)
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