MESON Chess Problem Database

Problem Display
PID: 143279 (1B2b3/8/3N3K/2P1kPPn/2P5/2PrpppP/1rB3N1/8 w - - 0 1)

White, Alain Campbell

British Chess Magazine, 1893

1B2b3/8/3N3K/2P1kPPn/2P5/2PrpppP/1rB3N1/8

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Sf7#
    • 1...Rd2
      • 2.Sf7#
    • 1...Rxc3
      • 2.Sb5#
    • 1...Rd4
      • 2.Sf7#
    • 1...Rd5
      • 2.Sf7#
    • 1...Rxd6+
      • 2.Bxd6#
  • Keys
    • 1.Se1!
      • threat
        • 2.Sxd3#
      • 1...Rxd6+
        • 2.Bxd6#
      • 1...Kf4
        • 2.Sxd3#
      • 1...Rxc3
        • 2.Sb5#
      • 1...Rd1
        • 2.Sf7#
      • 1...Rd2
        • 2.Sf7#
      • 1...Rd4
        • 2.Sf7#
      • 1...Rd5
        • 2.Sf7#
      • 1...Sf4
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(b);::B(K)+S(I),DCHECK
    • R(b);N_GUARD,XP(C)::B(K)+S(I)
    • R(b);CHECK,OGATE,P_SPINR(b),XS(I)::B(K),XR(b)
  • Actual
    • S(B);
    • Threat
      • S(B),XR(b)
    • Vars
      • R(b);CHECK,OGATE,P_SPINR(b),XS(I)::B(K),XR(b)
      • K(f);S_FLIGHT::S(B),XR(b)
      • R(b);N_GUARD,XP(C)::B(K)+S(I)
      • R(b);::B(K)+S(I),DCHECK
      • S(g);SBLOCK::S(B),XP(d)
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