MESON Chess Problem Database

Problem Display
PID: 63862 (3NB3/4bp2/1R6/r1n1k1P1/p1P4p/5K1Q/bN6/8 w - - 0 1)

Stent, James

Source?, 0000

3NB3/4bp2/1R6/r1n1k1P1/p1P4p/5K1Q/bN6/8

#2

8 + 8

187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6
      • 2.Sc6#
  • Tries
    • 1.Qg4?
      • threat
        • 2.Sxf7#
        • 2.Qf4#
      • 1...Bxg5
        • 2.Sxf7#
      • 1...Bxd8
        • 2.Qf4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sd3
        • 2.Sxd3#
        • 2.Sxf7#
        • 2.Qe4#
      • 1...Se6
        • 2.Sd3#
        • 2.Sxf7#
        • 2.Qe4#
      • 1...f5
        • 2.Sf7#
        • 2.Qf4#
      • 1...f6
        • 2.Sf7#
        • 2.Qf4#
      • 1...Bxc4!
    • 1.Qh2+?
      • 1...Kf5
        • 2.Qf4#
      • 1...Kd4!
  • Keys
    • 1.Rd6!
      • threat
        • 2.Sxf7#
        • 2.Rd5#
      • 1...Kxd6
        • 2.Qh2#
      • 1...Bxc4
        • 2.Sxc4#
      • 1...Bxg5
        • 2.Sxf7#
      • 1...Bxd6
        • 2.Sc6#
      • 1...Bxd8
        • 2.Rd5#
      • 1...Sb3
        • 2.Sxf7#
      • 1...Sd3
        • 2.Sxf7#
      • 1...Se4
        • 2.Sxf7#
      • 1...Sa6
        • 2.Sxf7#
      • 1...Se6
        • 2.Sxf7#
      • 1...Sb7
        • 2.Sxf7#
      • 1...Sd7
        • 2.Sxf7#
      • 1...f5
        • 2.Sf7#
        • 2.Rd5#
      • 1...f6
        • 2.Sf7#
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • B(g);SBLOCK::S(G)
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(g);XP(E)::S(G),XP(h)
        • B(g);XS(G)::QAB1(C)
        • S(e);N_GUARD::QAR1(C),XS(e)
      • Refutation
        • B(a);XP(D)
    • Try
      • Q(C);CHECK
      • Vars
        • K(f);P-FLIGHT::QAR1(C)
      • Refutation
        • K(f);S_FLIGHT
  • Actual
    • R(F);
    • Threat
      • DUALS(2)
    • Vars
      • K(f);S_FLIGHT,XR(F)::QAB(C)
      • B(a);XP(D)::S(A),XB(a)
      • B(g);XP(E)::S(G),XP(h)
      • B(g);SBLOCK,XR(F)::S(G)
      • B(g);XS(G)::R1(F)
      • S(e);::S(G),XP(h)
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