MESON Chess Problem Database

Problem Display
PID: 182278 (Q6b/3K4/8/4k3/8/3PP2P/p1B5/8 w - - 0 1)

Gold, Samuel

Lasker's Chess Magazine, 1906

Q6b/3K4/8/4k3/8/3PP2P/p1B5/8

#2

6 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bf6
      • 2.Qe4#
      • 2.Qa5#
      • 2.d4#
  • Tries
    • 1.Qc6?
      • threat
        • 2.Qe6#
        • 2.d4#
      • 1...a1Q
        • 2.Qe6#
      • 1...a1B
        • 2.Qe6#
      • 1...Kf5!
    • 1.Qa6?
      • threat
        • 2.Qe6#
      • 1...Kd5
        • 2.Qb5#
        • 2.Qa5#
        • 2.Qd6#
      • 1...Kf5!
    • 1.Qxh8+?
      • 1...Kd5
        • 2.Qd4#
        • 2.Qh5#
      • 1...Kf5!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Qg5#
      • 1...Kd5
        • 2.Qa5#
      • 1...Kf5
        • 2.d4#
      • 1...Bf6
        • 2.Qa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::QAR1(F)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(F);CHECK,XB(c)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(F);
    • Threat
      • QAR2(F)
    • Vars
      • K(b);P-FLIGHT::QAR(F)
      • K(b);P-FLIGHT::B(A)+P(B)
      • B(c);SBLOCK::QAR(F)
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