MESON Chess Problem Database

Problem Display
PID: 21586 (2b2b2/3p4/5P1p/7P/PpkP2Q1/5B1K/n1PB4/1N6 w - - 0 1)

Knott, Hubert Edward

Western Daily Mercury, 1919

(First published on Fri Mar 28 1919)

2b2b2/3p4/5P1p/7P/PpkP2Q1/5B1K/n1PB4/1N6

#2

10 + 7

3360 Simple Two-move Themes 1924
15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Be2#
  • Tries
    • 1.Qg8+?
      • 1...Kxd4
        • 2.Qd5#
      • 1...d5+!
  • Keys
    • 1.Be3!
      • threat
        • 2.d5#
      • 1...Bc5
        • 2.dxc5#
      • 1...Bd6
        • 2.Qg8#
      • 1...Sc3
        • 2.Sd2#
      • 1...d5
        • 2.Be2#
      • 1...d6
        • 2.Qxc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(e);P_PINQ(H),SBLOCK::B(D)
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • K(c);P-FLIGHT,XP(G)::QAR1(H)
      • Refutation
        • P(e);CHECK,P_SPINP(e)
  • Actual
    • B(C);
    • Threat
      • QAR(H)+P(G)
    • Vars
      • B(g);OGATE::QAR(H)+P(G),XB(g)
      • B(g);S_CUTP(e)::QAB(H)
      • S(a);SBLOCK::S(A)
      • P(e);P_PINQ(H),SBLOCK::B(D)
      • P(e);OGATE,P_PINQ(H)::QAR(H),XB(f)
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