MESON Chess Problem Database

Problem Display
PID: 153870 (7Q/8/1p1K4/3P1p2/r4Np1/2BPkbR1/1P6/8 w - - 0 1)

Branch, William Shelley

Cheltenham Examiner, 1891

(First published on Wed Nov 11 1891)

7Q/8/1p1K4/3P1p2/r4Np1/2BPkbR1/1P6/8

#2

8 + 6

15239 Valois Notebooks 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qd4#
    • 1...Ra2
      • 2.Qd4#
    • 1...Ra3
      • 2.Qd4#
    • 1...Rd4
      • 2.Qxd4#
    • 1...Ra5
      • 2.Qd4#
    • 1...Ra6
      • 2.Qd4#
    • 1...Ra7
      • 2.Qd4#
    • 1...Ra8
      • 2.Qd4#
  • Tries
    • 1.Qe5+?
      • 1...Kf2
        • 2.Qe1#
      • 1...Re4!
  • Keys
    • 1.Qh2!
      • threat
        • 2.Qd2#
      • 1...Kxf4
        • 2.Bd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • R(c);N_GUARD::QAB1(H)
    • R(c);N_GUARD,P_PINP(F)::QAB1(H),XR(c)
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • K(a);N_SPINB(b),OGATE,S_FLIGHT::QAB1(H)
      • Refutation
        • R(c);P_SPINR(c)
  • Actual
    • Q(H);
    • Threat
      • QAB1(H)
    • Vars
      • K(a);N_SPINB(b),S_FLIGHT,XS(E)::B(B)
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