MESON Chess Problem Database

Problem Display
PID: 9751 (1B5r/4p2b/4Q2P/bR2PBNR/4pkp1/6p1/K2P2P1/8 w - - 0 1)

Gamage, Frederick

Illustrated Western Weekly News, 1909

1B5r/4p2b/4Q2P/bR2PBNR/4pkp1/6p1/K2P2P1/8

#2

11 + 8

5397 Frederick Gamage (Prcic) 2004

SOLUTION

  • SOUND
  • Tries
    • 1.Qb3?
      • threat
        • 2.Se6#
      • 1...Kxf5
        • 2.Qf7#
      • 1...Bxf5
        • 2.Qe3#
      • 1...e6
        • 2.Sxe6#
      • 1...Bg8!
    • 1.Qc4?
      • threat
        • 2.Se6#
        • 2.Qf1#
        • 2.Qxe4#
      • 1...Kxf5
        • 2.Qf7#
        • 2.Qxe4#
      • 1...Bxd2
        • 2.Qxe4#
      • 1...Bxf5
        • 2.Qf1#
      • 1...Bb6
        • 2.Se6#
        • 2.Qxe4#
      • 1...e6
        • 2.Sxe6#
        • 2.Qf1#
        • 2.Qxe4#
      • 1...Bg8!
    • 1.Qf7?
      • threat
        • 2.Se6#
        • 2.Bg6#
        • 2.Bxh7#
      • 1...Bxf5
        • 2.Se6#
      • 1...Bg8
        • 2.Se6#
      • 1...Rf8
        • 2.Se6#
      • 1...Bg6
        • 2.Se6#
        • 2.Bxg6#
      • 1...e6
        • 2.Sxe6#
        • 2.Bg6#
        • 2.Bxh7#
      • 1...Bxd2!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Se6#
      • 1...Bg8+
        • 2.e6#
      • 1...Kxf5
        • 2.Sh3#
      • 1...Bxf5
        • 2.Qe3#
      • 1...e6
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(I);
      • Threat
        • S(G)
      • Vars
        • K(c);OGATEB,P-FLIGHT,XB(F)::QAR2(I)
        • B(g);SBLOCK,XB(F)::QAB1(I)
        • P(f);::S(G),XP(f)
      • Refutation
        • B(g);P_PINQ(I)
    • Try
      • Q(I);P_PINP(b)
      • Threat
        • DUALS(3)
      • Vars
        • B(e);XP(B)::QAR1(I),XP(b)
        • B(g);SBLOCK,XB(F)::QAR(I)
      • Refutation
        • B(g);P_PINQ(I)
    • Try
      • Q(I);
      • Threat
        • DUALS(3)
      • Vars
        • B(g);P_SPINB(g),XB(F)::S(G)
        • B(g);P_PINQ(I)::S(G)
        • R(h);::S(G)
      • Refutation
        • B(e);XP(B)
  • Actual
    • Q(I);
    • Threat
      • S(G)
    • Vars
      • B(g);CHECK,S_CUTR(h)::B(K)+P(E)
      • K(c);P-FLIGHT,XB(F)::R(H)+S(G)
      • B(g);SBLOCK,XB(F)::QAB1(I)
      • P(f);::S(G),XP(f)
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