MESON Chess Problem Database

Problem Display
PID: 181148 (5Q1b/3R4/4P1N1/3p1b2/R2Pk1p1/8/2K1BPp1/2n5 w - - 0 1)

Charlick, Arthur Robert Baker

HM., Sydney Morning Herald, 1904

5Q1b/3R4/4P1N1/3p1b2/R2Pk1p1/8/2K1BPp1/2n5

#2

9 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe6
      • 2.Qf4#
  • Tries
    • 1.Bd3+?
      • 1...Kf3
        • 2.Qxf5#
      • 1...Sxd3!
    • 1.Bxg4?
      • threat
        • 2.Qxf5#
      • 1...Bxg4
        • 2.Qf4#
      • 1...Bxe6
        • 2.Bf3#
        • 2.Qf3#
        • 2.Qf4#
      • 1...Bxg6
        • 2.Bf3#
        • 2.Qf3#
      • 1...Bf6!
    • 1.Qd6?
      • threat
        • 2.Qf4#
        • 2.Qxd5#
      • 1...Bxe6
        • 2.Qf4#
      • 1...Sxe2
        • 2.Qxd5#
      • 1...Be5
        • 2.Qxe5#
        • 2.Qxd5#
      • 1...Sd3
        • 2.Qxd5#
      • 1...Bxg6!
    • 1.Qh6?
      • threat
        • 2.Qe3#
        • 2.Qf4#
      • 1...Bxe6
        • 2.Qf4#
      • 1...Sxe2
        • 2.Qe3#
      • 1...Be5
        • 2.Qe3#
      • 1...Sd3
        • 2.Qe3#
      • 1...Bxg6!
  • Keys
    • 1.Bc4!
      • threat
        • 2.Bxd5#
      • 1...Kf3+
        • 2.Qxf5#
      • 1...Kxd4+
        • 2.Bd3#
      • 1...Bxe6
        • 2.Qf4#
      • 1...dxc4
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(f);OGATE,XP(F)::QAR1(I)
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(c);P_PINB(B),P_SPINB(f),S_FLIGHT::QAR2(I),XB(f)
      • Refutation
        • S(a);XB(B)
    • Try
      • B(B);XP(d)
      • Threat
        • QAB1(I),XB(f)
      • Vars
        • B(f);OGATE,XB(B)::QAR1(I)
      • Refutation
        • B(g);
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • B(f);XP(F)::QAR1(I)
        • S(a);XB(B)::QAB1(I),XP(e)
        • S(a);::QAB1(I),XP(e)
      • Refutation
        • B(f);XS(G)
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • B(f);XP(F)::QAR1(I)
        • S(a);XB(B)::QAR1(I)
        • B(g);::QAR1(I)
        • S(a);::QAR1(I)
      • Refutation
        • B(f);XS(G)
  • Actual
    • B(B);
    • Threat
      • B(B),XP(e)
    • Vars
      • K(c);CHECK,P_SPINB(f),S_FLIGHT::QAR2(I),XB(f)
      • K(c);CHECK,P-FLIGHT,P_SPINP(e),XP(E)::R(D)+B(B)
      • B(f);OGATE,XP(F)::QAR1(I)
      • P(e);OGATEB,XB(B)::QAB(I)
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