MESON Chess Problem Database

Problem Display
PID: 158452 (6Q1/2Kp2N1/7N/8/2p1kP2/4P3/2P1R2n/8 w - - 0 1)

van der Werf, JD

British Chess Magazine 13. Ty., 1906-1907

6Q1/2Kp2N1/7N/8/2p1kP2/4P3/2P1R2n/8

#2

8 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Qh7+?
      • 1...Kd5
        • 2.Qf5#
      • 1...Kf3!
    • 1.Qe8+?
      • 1...Kd5
        • 2.Qe5#
      • 1...Kf3!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sg5#
      • 1...Kf3
        • 2.Qg2#
      • 1...Kd5
        • 2.e4#
      • 1...dxe6
        • 2.Qa8#
      • 1...Sf3
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR2(H)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(H);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR1(H)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • K(c);S_FLIGHT::QAB1(H)
      • K(c);OGATE,S_FLIGHT::P(C)
      • P(d);N_GUARD,XS(G)::QAB(H)
      • S(a);SBLOCK::S(G)
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