MESON Chess Problem Database

Problem Display
PID: 153652 (8/3K4/3bN2N/Qn1pk3/4P3/3r4/8/1B6 w - - 0 1)

Herbert, JE

Cheltenham Examiner, 1889

(First published on Wed Dec 18 1889)

8/3K4/3bN2N/Qn1pk3/4P3/3r4/8/1B6

#2

6 + 5

15239 Valois Notebooks 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Sg4#
    • 1...Rd2
      • 2.Sg4#
    • 1...Ra3
      • 2.Sg4#
    • 1...Rb3
      • 2.Sg4#
    • 1...Rc3
      • 2.Sg4#
    • 1...Re3
      • 2.Sg4#
    • 1...Rf3
      • 2.Sg4#
    • 1...Rh3
      • 2.Sg4#
    • 1...Rd4
      • 2.Sg4#
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qf4#
      • 1...Kxe4
        • 2.Qe2#
      • 1...Kf6
        • 2.Qg5#
      • 1...Rxd2
        • 2.Sg4#
      • 1...dxe4
        • 2.Qg5#
      • 1...Re3
        • 2.Sg4#
      • 1...Rf3
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(a);::S(E)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • K(d);OGATEB,P-FLIGHT,P_SPINR(a),XP(B)::QAR2(C)
      • K(d);S_FLIGHT::QAB1(C)
      • R(a);XQ(C)::S(E)
      • P(c);SBLOCK,XP(B)::QAR2(C)
      • R(a);::S(E)
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