MESON Chess Problem Database

Problem Display
PID: 70459 (8/1K6/4Np2/2P1p2P/4k1N1/R2q4/1nQ5/5B2 w - - 0 1)

Andrews, JT

Source?, 0000

8/1K6/4Np2/2P1p2P/4k1N1/R2q4/1nQ5/5B2

#2

8 + 5

187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qg2#
    • 1...Sd1
      • 2.Qxd3#
    • 1...Sa4
      • 2.Qxd3#
    • 1...Sc4
      • 2.Qxd3#
    • 1...f5
      • 2.Bg2#
  • Tries
    • 1.Ra4+?
      • 1...Kf3
        • 2.Qf2#
        • 2.Qg2#
      • 1...Kd5
        • 2.Sc7#
      • 1...Sxa4
        • 2.Qxd3#
      • 1...Sc4
        • 2.Qxd3#
      • 1...Kf5!
    • 1.Qg2+?
      • 1...Qf3
        • 2.Qxf3#
      • 1...Kf5!
  • Keys
    • 1.Bh3!
      • 1...Kf3
        • 2.Qg2#
      • 1...Kd5
        • 2.Sxf6#
      • 1...Kf5
        • 2.Sf2#
      • 1...Qxc2
        • 2.Sxf6#
      • 1...Sd1
        • 2.Qxd3#
      • 1...Sa4
        • 2.Qxd3#
      • 1...Sc4
        • 2.Qxd3#
      • 1...f5
        • 2.Bg2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAB1(B)
    • S(a);N_GUARD::QAB1(B),XQ(b)
    • P(e);SBLOCK::B(A)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(c);N_SPINQ(b),S_FLIGHT::S(G)
        • S(a);XR(C)::QAB1(B),XQ(b)
        • S(a);P_SPINS(a)::QAB1(B),XQ(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);CHECK,N_PINQ(b)
      • Vars
        • Q(b);N_GUARD,P_SPINQ(b)::QAB1(B),XQ(b)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(c);S_FLIGHT::QAB1(B)
      • K(c);N_SPINQ(b),S_FLIGHT::S(D),XP(e)
      • K(c);S_FLIGHT::B(A)+S(D)
      • Q(b);N_SPINQ(b),XQ(B)::S(D),XP(e)
      • S(a);N_GUARD::QAB1(B),XQ(b)
      • P(e);SBLOCK::B(A)
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