MESON Chess Problem Database

Problem Display
PID: 226447 (8/8/2p5/K1k1p3/3pQ3/3n3r/B4N1q/8 w - - 0 1)

CW of Sunbury (Charles White)

The Field, 1896

(First published on Sat Jun 20 1896)

8/8/2p5/K1k1p3/3pQ3/3n3r/B4N1q/8

#2

4 + 7

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qxd4+?
      • 1...exd4
        • 2.Se4#
      • 1...Kxd4!
    • 1.Qxe5+?
      • 1...Sxe5
        • 2.Se4#
      • 1...Qxe5!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Se4#
        • 2.Qe7#
      • 1...Kd6
        • 2.Se4#
      • 1...Qxf2
        • 2.Qe7#
      • 1...Rxh7
        • 2.Se4#
      • 1...Sxf2
        • 2.Qe7#
      • 1...Qf4
        • 2.Qe7#
      • 1...Qh1
        • 2.Qe7#
      • 1...Qg2
        • 2.Qe7#
      • 1...Re3
        • 2.Qe7#
      • 1...Rh4
        • 2.Qe7#
      • 1...Rh6
        • 2.Se4#
      • 1...e4
        • 2.Sxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK,XP(d)
      • Vars
        • P(f);SBLOCK,XQ(C)::S(B)
      • Refutation
        • K(e);S_FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK,XP(f)
      • Vars
        • S(b);XQ(C)::S(B)
      • Refutation
        • Q(a);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(e);S_FLIGHT::S(B)
      • Q(a);XS(B)::QAB(C)
      • R(c);XQ(C)::S(B)
      • S(b);XS(B)::QAB(C)
      • Q(a);::QAB(C)
      • R(c);::QAB(C)
      • R(c);::S(B)
      • P(f);::S(B),XP(f)
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