MESON Chess Problem Database

Problem Display
PID: 160530 (8/3N2p1/4p1n1/1BRpP3/4k1P1/4P1K1/8/B3R3 w - - 0 1)

Shire, David J

British Chess Magazine, 2012

8/3N2p1/4p1n1/1BRpP3/4k1P1/4P1K1/8/B3R3

#2

9 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.exf4#
    • 1...d4
      • 2.exd4#
  • Tries
    • 1.Rc3?
      • threat
        • 2.Bd3#
      • 1...Sxe5
        • 2.Sc5#
      • 1...d4
        • 2.Bc6#
      • 1...Sf4!
  • Keys
    • 1.Rxd5!
      • threat
        • 2.Rd4#
      • 1...Kxd5
        • 2.e4#
      • 1...exd5
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(d);OGATE::R(B)+P(C),XS(d)
    • P(b);OGATE::R(B)+P(C),XP(b)
  • Tries
    • Try
      • R(G);
      • Threat
        • B(F)
      • Vars
        • S(d);SBLOCK,XP(H)::S(I)
        • P(b);OGATEB::B(F)
      • Refutation
        • S(d);
  • Actual
    • R(G);XP(b)
    • Threat
      • R1(G)
    • Vars
      • K(a);OGATE,S_FLIGHT,XR(G)::P(C)
      • P(c);SBLOCK,XR(G)::S(I)
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