MESON Chess Problem Database

Problem Display
PID: 153975 (8/1P4NQ/1K1p2P1/3kpr2/4b2R/1P5B/2P5/8 w - - 0 1)

Branch, William Shelley

Cheltenham Examiner, 1892

(First published on Wed May 11 1892)

8/1P4NQ/1K1p2P1/3kpr2/4b2R/1P5B/2P5/8

#2

9 + 5

15239 Valois Notebooks 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Bh1
      • 2.c4#
    • 1...Bg2
      • 2.c4#
    • 1...Bf3
      • 2.c4#
  • Tries
    • 1.Sxf5?
      • threat
        • 2.Qg8#
        • 2.Qf7#
      • 1...Ke6
        • 2.Qf7#
      • 1...Bxf5!
    • 1.Bxf5?
      • 1...Bxc2
        • 2.Be6#
        • 2.Qg8#
      • 1...Bxf5
        • 2.c4#
      • 1...Bh1
        • 2.Be6#
        • 2.Qg8#
        • 2.c4#
      • 1...Bg2
        • 2.Be6#
        • 2.Qg8#
        • 2.c4#
      • 1...Bd3
        • 2.Be6#
        • 2.Qg8#
      • 1...Bf3
        • 2.Be6#
        • 2.Qg8#
        • 2.c4#
      • 1...Kd4!
  • Keys
    • 1.Se6!
      • 1...Kxe6
        • 2.Qf7#
      • 1...Bxc2
        • 2.Sc7#
      • 1...Rf1
        • 2.c4#
      • 1...Rf2
        • 2.c4#
      • 1...Rf3
        • 2.c4#
      • 1...Rf4
        • 2.c4#
      • 1...Rg5
        • 2.c4#
      • 1...Rh5
        • 2.c4#
      • 1...Rf6
        • 2.c4#
      • 1...Rf7
        • 2.c4#
      • 1...Rf8
        • 2.c4#
      • 1...Bh1
        • 2.Sc7#
      • 1...Bg2
        • 2.Sc7#
      • 1...Bd3
        • 2.Sc7#
      • 1...Bf3
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • B(a);::P(A)
  • Tries
    • Try
      • S(H);XR(d)
      • Threat
        • DUALS(2)
      • Vars
        • K(b);S_FLIGHT::QAB1(I)
      • Refutation
        • B(a);XS(H)
    • Try
      • B(C);XR(d)
      • Vars
        • B(a);XB(C)::P(A)
      • Refutation
        • K(b);P-FLIGHT,P_SPINB(a)
  • Actual
    • S(H);
    • Vars
      • K(b);OGATEB,P_SPINR(d),S_FLIGHT,XS(H)::QAB1(I)
      • B(a);XP(A)::S(H)
      • R(d);::P(A)
      • B(a);::S(H)
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