MESON Chess Problem Database

Problem Display
PID: 76656 (1b6/4p2r/R3p1N1/1p1k1b1R/N5Bq/1P1nP3/1n1Q1P1B/1K6 w - - 0 1)

Gamage, Frederick

Frederick Gamage (Prcic), 2004

1b6/4p2r/R3p1N1/1p1k1b1R/N5Bq/1P1nP3/1n1Q1P1B/1K6

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sc3#
    • 1...Qf6
      • 2.Bf3#
    • 1...Qxh2
      • 2.Bf3#
    • 1...Bf4
      • 2.Bf3#
    • 1...Sd1
      • 2.Qxd3#
    • 1...Sc4
      • 2.Qxd3#
  • Tries
    • 1.Sxe7+?
      • 1...Ke4
        • 2.Sc3#
        • 2.f3#
      • 1...Qxe7
        • 2.Bf3#
      • 1...Rxe7!
    • 1.e4+?
      • 1...Kd4
        • 2.Qe3#
      • 1...Kxe4!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qc6#
      • 1...Ke4
        • 2.Sc3#
        • 2.Qc6#
      • 1...Sxf2
        • 2.Sb6#
      • 1...Sc4
        • 2.Qxd3#
      • 1...Sc1
        • 2.Sb6#
      • 1...Se1
        • 2.Sb6#
      • 1...Sb4
        • 2.Sb6#
      • 1...Sf4
        • 2.Bf3#
      • 1...Sc5
        • 2.Sc3#
      • 1...Se5
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 5
  • Sets
    • K(e);N_SPINB(f),N_SPINS(b),S_FLIGHT::S(G)
    • Q(c);N_GUARD::B(H)
    • Q(c);N_GUARD,XB(D)::B(H)
    • B(j);S_CUTQ(c)::B(H)
    • S(a);N_GUARD::QAR2(B),XS(b)
  • Tries
    • Try
      • S(K);CHECK,XP(h)
      • Vars
        • Q(c);XS(K)::B(H)
      • Refutation
        • R(i);XS(K)
    • Try
      • P(F);CHECK
      • Vars
        • K(e);N_SPINB(f),P-FLIGHT::QAB1(B)
      • Refutation
        • K(e);N_SPINB(f),N_SPINS(b),S_FLIGHT,XP(F)
  • Actual
    • Q(B);N_PINS(b)
    • Threat
      • QAB1(B)
    • Vars
      • S(b);P_PINQ(B),XP(C)::S(G)
      • S(a);N_GUARD::QAR2(B),XS(b)
      • S(b);P_PINQ(B)::S(G)
      • S(b);P_PINQ(B),S_CUTQ(c)::B(H)
      • S(b);P_PINQ(B),SBLOCK::S(G)
      • S(b);N_GUARD,N_SPINB(f),P_PINQ(B),SBLOCK,S_CUTB(j)::S(K)
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