MESON Chess Problem Database

Problem Display
PID: 148592 (4Bn2/8/3PR3/1N1k1pP1/1P6/3N1n2/K2bQ3/8 w - - 0 1)

Clutsam, George Howard

British Chess Magazine, 1901

4Bn2/8/3PR3/1N1k1pP1/1P6/3N1n2/K2bQ3/8

#2

9 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Sf4#
    • 1...Bc3
      • 2.Sf4#
    • 1...Bf4
      • 2.Sxf4#
    • 1...f4
      • 2.Qe4#
  • Tries
    • 1.Sb2?
      • threat
        • 2.Qc4#
      • 1...Se5
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Sxe6!
    • 1.Re5+?
      • 1...Kc4
        • 2.Rc5#
      • 1...Sxe5!
  • Keys
    • 1.Se5!
      • threat
        • 2.Qc4#
      • 1...Kxe6
        • 2.Bf7#
      • 1...Sxe5
        • 2.Rxe5#
      • 1...Sxe6
        • 2.Bc6#
      • 1...Sd4
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • B(a);N_GUARD::S(C)
    • B(a);N_GUARD::S(C),XB(a)
    • P(d);N_GUARD::QAB1(B)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(B)
      • Refutation
        • S(e);XR(H)
    • Try
      • R(H);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::R1(H)
      • Refutation
        • S(b);XR(H)
  • Actual
    • S(C);
    • Threat
      • QAB1(B)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(H)::B(I)
      • S(b);OGATE,XS(C)::R1(H),XS(b)
      • S(e);SBLOCK,XR(H)::B(I)
      • S(b);SBLOCK::S(E)
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