MESON Chess Problem Database

Problem Display
PID: 49429 (8/6b1/1qppQ1P1/6B1/2Pk1N2/1Pp4K/2P5/8 w - - 0 1)

Gold, Samuel

Source?, 0000

8/6b1/1qppQ1P1/6B1/2Pk1N2/1Pp4K/2P5/8

#2

8 + 6

5166 200 Schachaufgaben 1883
119 Tidskrift for Schack 1909
14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Qc5
      • 2.Se2#
    • 1...c5
      • 2.Se2#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Be3#
        • 2.Qg4#
        • 2.Qe3#
      • 1...Qxb3
        • 2.Be3#
        • 2.Qg4#
      • 1...Bh6
        • 2.Bf6#
        • 2.Qg4#
        • 2.Qe3#
      • 1...Be5!
    • 1.Bf6+?
      • 1...Kc5
        • 2.Sd3#
      • 1...Bxf6!
    • 1.Qe4+?
      • 1...Kc5
        • 2.Sd3#
      • 1...Kxe4!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Sd3#
      • 1...Ke3
        • 2.Sd3#
      • 1...Ke4
        • 2.Sd3#
      • 1...Kc5
        • 2.Sd3#
      • 1...Ke5
        • 2.Sd3#
      • 1...Be5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • Q(c);SBLOCK::S(E)
    • P(d);SBLOCK::S(E)
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(3)
      • Refutation
        • B(f);
    • Try
      • B(F);CHECK
      • Vars
        • K(b);S_FLIGHT::S(E)
      • Refutation
        • B(f);XB(F)
    • Try
      • Q(G);CHECK
      • Vars
        • K(b);S_FLIGHT::S(E)
      • Refutation
        • K(b);P-FLIGHT,XQ(G)
  • Actual
    • Q(G);
    • Threat
      • QAR(G)+S(E)
    • Vars
      • K(b);S_FLIGHT::B(F)+S(E)
      • K(b);P-FLIGHT::QAR(G)+S(E)
      • K(b);S_FLIGHT::S(E)
      • B(f);SBLOCK::QAR(G)+S(E),DCHECK
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