MESON Chess Problem Database

Problem Display
PID: 182675 (4r3/4p1n1/7b/3b1p2/5kpP/BP2R1p1/6p1/1BQK2n1 w - - 0 1)

Horn, C (= Laws, BG)

British Chess Magazine, 1913

4r3/4p1n1/7b/3b1p2/5kpP/BP2R1p1/6p1/1BQK2n1

#2

7 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Bf3+
      • 2.Re2#
    • 1...Sf3
      • 2.Re4#
    • 1...e5
      • 2.Rc3#
  • Tries
    • 1.Bd6+?
      • 1...e5
        • 2.Rc3#
      • 1...exd6!
  • Keys
    • 1.Bb2!
      • threat
        • 2.Be5#
      • 1...Bxb3+
        • 2.Rxb3#
      • 1...Bf3+
        • 2.Re2#
      • 1...Be4
        • 2.Rd3#
      • 1...Sf3
        • 2.Re4#
      • 1...e5
        • 2.Rc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(f);CHECK,SBLOCK::QAB(B)+R(F)
    • S(a);SBLOCK::QAB(B)+R(F),DCHECK
    • P(i);SBLOCK::QAB(B)+R(F)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • P(i);P_SPINP(i)::QAB(B)+R(F)
      • Refutation
        • P(i);XB(D)
  • Actual
    • B(D);
    • Threat
      • B(D)
    • Vars
      • B(f);CHECK,OGATE,XP(E)::QAB(B)+R(F),XB(f)
      • B(f);CHECK,SBLOCK::QAB(B)+R(F)
      • B(f);SBLOCK::QAB(B)+R(F)
      • S(a);SBLOCK::QAB(B)+R(F),DCHECK
      • P(i);SBLOCK::QAB(B)+R(F)
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