MESON Chess Problem Database

Problem Display
PID: 156731 (1B5K/4p3/B3N1Q1/1Nbkpp2/1P2b3/8/2P1R3/8 w - - 0 1)

Scott, Sergeant-Instructor J

Southern Counties' Chess Journal, 1894

1B5K/4p3/B3N1Q1/1Nbkpp2/1P2b3/8/2P1R3/8

#2

9 + 6

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Sa7?
      • threat
        • 2.c4#
      • 1...Bxc2
        • 2.Rxe5#
      • 1...Bd3
        • 2.Rxe5#
      • 1...Bxa7!
    • 1.Sxc5?
      • threat
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...Kc4!
    • 1.Sd8?
      • threat
        • 2.Qe6#
      • 1...Bxb4
        • 2.Qc6#
      • 1...e6
        • 2.Qxe6#
      • 1...Kc4!
  • Keys
    • 1.Sbd4!
      • threat
        • 2.c4#
      • 1...Bxc2
        • 2.Rxe5#
      • 1...Bxd4
        • 2.Sc7#
      • 1...exd4
        • 2.Sf4#
      • 1...Bd3
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • P(A)
      • Vars
        • B(a);OGATE,XP(A)::R1(B),XP(d)
        • B(a);OGATE::R1(B),XP(d)
      • Refutation
        • B(b);XS(D)
    • Try
      • S(F);XB(b)
      • Threat
        • QAB1(G)
      • Vars
        • P(f);::QAB1(G),XP(f)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(F);
      • Threat
        • QAB1(G)
      • Vars
        • B(b);XP(C)::QAB1(G)
        • P(f);::QAB1(G),XP(f)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(D);
    • Threat
      • P(A)
    • Vars
      • B(a);OGATE,XP(A)::R1(B),XP(d)
      • B(b);SBLOCK,XS(D)::S(F)
      • P(d);N_GUARD,SBLOCK,XS(D)::S(F)
      • B(a);OGATE::R1(B),XP(d)
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