MESON Chess Problem Database

Problem Display
PID: 26008 (8/1NK2n2/2B5/1N6/2k2B2/2P5/2PppP1R/r7 w - - 0 1)

Foster, Geoffrey R

3rd Prize, The Problemist, 2001

8/1NK2n2/2B5/1N6/2k2B2/2P5/2PppP1R/r7

#2

9 + 5

56 The Problemist 2003

SOLUTION

  • SOUND
  • Tries
    • 1.Sa5+?
      • 1...Kc5
        • 2.Be3#
      • 1...Rxa5!
    • 1.S7d6+?
      • 1...Kc5
        • 2.Be3#
      • 1...Sxd6!
  • Keys
    • 1.Rh4!
      • threat
        • 2.Bxd2#
        • 2.Bh2#
        • 2.Be3#
        • 2.Bg3#
        • 2.Be5#
        • 2.Bg5#
        • 2.Bd6#
        • 2.Bh6#
      • 1...d1Q
        • 2.Bd2#
      • 1...d1S
        • 2.Bc1#
        • 2.Bd2#
        • 2.Bh2#
        • 2.Be3#
        • 2.Bg3#
        • 2.Be5#
        • 2.Bg5#
        • 2.Bd6#
        • 2.Bh6#
      • 1...d1B
        • 2.Bc1#
        • 2.Bd2#
        • 2.Bh2#
        • 2.Be3#
        • 2.Bg3#
        • 2.Be5#
        • 2.Bg5#
        • 2.Bd6#
        • 2.Bh6#
      • 1...d1R
        • 2.Bd2#
      • 1...e1Q
        • 2.Be3#
      • 1...e1R
        • 2.Be3#
      • 1...Rg1
        • 2.Bg3#
      • 1...Rh1
        • 2.Bh2#
      • 1...Se5
        • 2.Bxe5#
      • 1...Sg5
        • 2.Bxg5#
      • 1...Sd6
        • 2.Bxd6#
      • 1...Sh6
        • 2.Bxh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(d);P-FLIGHT::B(E)
      • Refutation
        • R(a);XS(H)
    • Try
      • S(H);CHECK
      • Vars
        • K(d);P-FLIGHT::B(E)
      • Refutation
        • S(e);XS(H)
  • Actual
    • R(C);
    • Threat
      • DUALS(8)
    • Vars
      • P(b);::R(C)+B(E)
      • P(c);::R(C)+B(E)
      • R(a);::R(C)+B(E)
      • S(e);::R(C)+B(E),XS(e)
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