MESON Chess Problem Database

Problem Display
PID: 142303 (8/3p4/P2p3p/B1PP3R/1N1k4/6p1/2Q1P1P1/5K2 w - - 0 1)

Gamage, Frederick

2nd Prize, Tidskrift for Schack, 1906/II

8/3p4/P2p3p/B1PP3R/1N1k4/6p1/2Q1P1P1/5K2

#2

10 + 5

119 Tidskrift for Schack 1909
14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...dxc5
      • 2.Qd3#
  • Tries
    • 1.Ke1?
      • 1...dxc5
        • 2.Qd3#
      • 1...Ke3!
    • 1.Kg1?
      • 1...dxc5
        • 2.Qd3#
      • 1...Ke3!
    • 1.Sa2?
      • 1...dxc5
        • 2.Qd3#
      • 1...Ke3!
    • 1.Sc6+?
      • 1...Ke3
        • 2.Bd2#
      • 1...dxc6!
    • 1.Bb6?
      • threat
        • 2.Qd3#
        • 2.cxd6#
        • 2.c6#
      • 1...dxc5
        • 2.Bxc5#
        • 2.Qd3#
      • 1...Ke3!
    • 1.Bc7?
      • 1...dxc5
        • 2.Qd3#
      • 1...Ke3!
    • 1.Bd8?
      • 1...dxc5
        • 2.Qd3#
      • 1...Ke3!
    • 1.Rh4+?
      • 1...Ke3
        • 2.Re4#
        • 2.Qd3#
        • 2.Qc1#
        • 2.Qc3#
      • 1...Ke5!
    • 1.Rf5?
      • 1...Ke3
        • 2.Qd3#
      • 1...dxc5
        • 2.Qd3#
      • 1...h5!
    • 1.Qc4+?
      • 1...Ke3
        • 2.Sc2#
      • 1...Kxc4!
    • 1.e4?
      • 1...dxc5
        • 2.Qd3#
      • 1...Ke3!
    • 1.a7?
      • 1...dxc5
        • 2.Qd3#
      • 1...Ke3!
  • Keys
    • 1.Qa4!
      • 1...Kc3
        • 2.Sd3#
      • 1...Ke3
        • 2.Sc2#
      • 1...Kc4
        • 2.Sd3#
      • 1...Ke4
        • 2.Sc2#
      • 1...Kxc5
        • 2.Sd3#
      • 1...dxc5
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK,XP(G)::QAR1(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(c);SBLOCK,XP(G)::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(c);SBLOCK,XP(G)::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • P(c);SBLOCK,XP(G)::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • P(e);XS(E)
    • Try
      • B(F);
      • Threat
        • DUALS(3)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • P(c);SBLOCK,XP(G)::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • P(c);SBLOCK,XP(G)::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(I);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(I);
      • Vars
        • K(b);S_FLIGHT::QAR1(B)
        • P(c);SBLOCK,XP(G)::QAR1(B)
      • Refutation
        • P(d);
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT::S(E)
      • Refutation
        • K(b);P-FLIGHT,XQ(B)
    • Try
      • P(C);
      • Vars
        • P(c);SBLOCK,XP(G)::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(J);
      • Vars
        • P(c);SBLOCK,XP(G)::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(b);S_FLIGHT::B(F)+S(E)
      • K(b);S_FLIGHT::S(E)
      • K(b);P-FLIGHT::QAR(B)+S(E)
      • K(b);S_FLIGHT,XP(G)::S(E)
      • P(c);SBLOCK,XP(G)::QAR(B)+S(E),DCHECK
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