MESON Chess Problem Database

Problem Display
PID: 35057 (1B6/5R1n/1p5K/r2RN1p1/2Bpk3/2p5/2P1npP1/5Nb1 w - - 0 1)

Seider, Shlomo

Israel Ring Ty., 1967

1B6/5R1n/1p5K/r2RN1p1/2Bpk3/2p5/2P1npP1/5Nb1

#2

9 + 10

3674 As in all Arts 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Bd3#
    • 1...d3
      • 2.cxd3#
  • Tries
    • 1.Sf3?
      • threat
        • 2.Re7#
      • 1...Rxd5
        • 2.Bd3#
      • 1...Ra7
        • 2.Re5#
      • 1...Sf4
        • 2.Rxd4#
      • 1...Sf8
        • 2.Sxg5#
      • 1...Bh2!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Re7#
      • 1...Rxd5
        • 2.Bd3#
      • 1...Ra7
        • 2.Re5#
      • 1...Bh2
        • 2.Sxf2#
      • 1...Sf4
        • 2.Sg3#
      • 1...Sf8
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • R(g);SBLOCK,XR(E)::B(D)
    • P(e);OGATE::P(B),XP(e)
  • Tries
    • Try
      • S(F);
      • Threat
        • R(H)
      • Vars
        • R(g);SBLOCK,XR(E)::B(D)
        • R(g);N_GUARD::R1(E)
        • S(b);N_GUARD::R1(E),XP(e)
        • S(j);N_GUARD::S(F),XP(h)
      • Refutation
        • B(a);
  • Actual
    • S(F);
    • Threat
      • R(H)
    • Vars
      • R(g);SBLOCK,XR(E)::B(D)
      • R(g);N_GUARD::R1(E)
      • B(a);N_GUARD::S(F),XP(c)
      • S(b);N_GUARD::S(A)
      • S(j);N_GUARD::S(F)
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