MESON Chess Problem Database

Problem Display
PID: 9439 (6b1/1K6/3P4/bp1kp3/1pN3Q1/1Np5/4P3/8 w - - 0 1)

Blake, Percy Francis

Hampstead and Highgate Express, 1903

6b1/1K6/3P4/bp1kp3/1pN3Q1/1Np5/4P3/8

#2

6 + 7

3360 Simple Two-move Themes 1924

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Qxg8#
  • Tries
    • 1.Sb6+?
      • 1...Kxd6
        • 2.Qd7#
      • 1...Bxb6!
    • 1.Qg2+?
      • 1...Kxc4
        • 2.Qxg8#
      • 1...e4
        • 2.Qxg8#
      • 1...Ke6!
  • Keys
    • 1.Qg6!
      • threat
        • 2.Se3#
      • 1...Kxc4
        • 2.Qxg8#
      • 1...bxc4
        • 2.e4#
      • 1...Bb6
        • 2.Sxb6#
      • 1...Be6
        • 2.Qd3#
      • 1...e4
        • 2.Qxg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(f);SBLOCK::QAB(D),XB(g)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(e);P-FLIGHT,XP(E)::QAR1(D)
      • Refutation
        • B(c);XS(C)
    • Try
      • Q(D);CHECK
      • Vars
        • K(e);S_FLIGHT,XS(C)::QAB(D),XB(g)
        • P(f);P_SPINP(f),SBLOCK::QAB(D),XB(g)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • Q(D);
    • Threat
      • S(C)
    • Vars
      • K(e);S_FLIGHT,XS(C)::QAB(D),XB(g)
      • P(d);SBLOCK,XS(C)::P(A)
      • B(c);N_GUARD::S(C),XB(c)
      • B(g);SBLOCK::QAR2(D)
      • P(f);SBLOCK::QAB(D),XB(g)
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