MESON Chess Problem Database

Problem Display
PID: 151208 (2R5/1n5k/5K2/3B4/8/8/p7/Qb6 w - - 0 1)

Slater, George James

Pen & Pencil, 1888

(First published on Sat Jan 7 1888)

2R5/1n5k/5K2/3B4/8/8/p7/Qb6

#2

4 + 4

15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Qh1#
    • 1...Bd3
      • 2.Qh1#
  • Tries
    • 1.Kg5?
      • threat
        • 2.Bg8#
        • 2.Rc7#
        • 2.Rh8#
        • 2.Qh8#
      • 1...Bf5
        • 2.Bg8#
        • 2.Rh8#
        • 2.Qh8#
      • 1...Bg6
        • 2.Bg8#
        • 2.Rh8#
        • 2.Qh8#
      • 1...Sc5
        • 2.Bg8#
        • 2.Rh8#
        • 2.Qh8#
      • 1...Sd6
        • 2.Bg8#
        • 2.Rh8#
        • 2.Qh8#
      • 1...Sd8!
    • 1.Be4+?
      • 1...Kh6
        • 2.Rh8#
      • 1...Bxe4!
    • 1.Bg8+?
      • 1...Kh8
        • 2.Kg5#
        • 2.Ke6#
        • 2.Ke7#
        • 2.Kf7#
      • 1...Kh6!
    • 1.Rc7+?
      • 1...Kh8
        • 2.Kg5#
      • 1...Kh6!
  • Keys
    • 1.Rc2!
      • threat
        • 2.Rh2#
      • 1...Kh6
        • 2.Rh2#
      • 1...Kh8
        • 2.Kg6#
      • 1...Bxc2
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(a);OGATE::QAR(A)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • DUALS(4)
      • Refutation
        • S(c);
    • Try
      • B(B);CHECK
      • Vars
        • K(d);P-FLIGHT::R(D)
      • Refutation
        • B(a);XB(B)
    • Try
      • B(B);CHECK
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(d);P-FLIGHT::QAB(A)+K(C)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • R(D);
    • Threat
      • R(D)
    • Vars
      • K(d);P-FLIGHT::R(D)
      • K(d);P-FLIGHT::QAB(A)+K(C)
      • B(a);OGATE,XR(D)::QAR(A)
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