MESON Chess Problem Database

Problem Display
PID: 153658 (b4n1Q/1R6/B2pn3/3k4/N4PKb/1P2P3/N7/8 w - - 0 1)

Adcock, Frank Raven

Cheltenham Examiner, 1890

(First published on Wed Apr 23 1890)

b4n1Q/1R6/B2pn3/3k4/N4PKb/1P2P3/N7/8

#2

9 + 6

15239 Valois Notebooks 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Sb4#
    • 1...Be1
      • 2.Qh1#
    • 1...Bf2
      • 2.Qh1#
    • 1...Bg3
      • 2.Qh1#
    • 1...Bg5
      • 2.Qh1#
    • 1...Bf6
      • 2.Qh1#
    • 1...Be7
      • 2.Qh1#
    • 1...Bd8
      • 2.Qh1#
    • 1...Bxb7
      • 2.Bxb7#
  • Tries
    • 1.Qd4+?
      • 1...Kc6
        • 2.Sb4#
      • 1...Sxd4!
    • 1.Qe5+?
      • 1...Kc6
        • 2.Sb4#
        • 2.Qb5#
      • 1...dxe5!
    • 1.e4+?
      • 1...Kc6
        • 2.Sb4#
      • 1...Kxe4!
  • Keys
    • 1.Re7!
      • 1...Ke4
        • 2.Qd4#
      • 1...Kc6
        • 2.Sb4#
      • 1...Bxe7
        • 2.Qh1#
      • 1...Sxf4
        • 2.Sb4#
      • 1...Be1
        • 2.Qh1#
      • 1...Bf2
        • 2.Qh1#
      • 1...Bg3
        • 2.Qh1#
      • 1...Bg5
        • 2.Qh1#
      • 1...Bf6
        • 2.Qh1#
      • 1...Bc6
        • 2.S2c3#
      • 1...Bb7
        • 2.Bxb7#
      • 1...Sd4
        • 2.Sb4#
      • 1...Sc5
        • 2.Sb4#
      • 1...Sg5
        • 2.Sb4#
      • 1...Sc7
        • 2.Sb4#
      • 1...Sg7
        • 2.Sb4#
      • 1...Sd8
        • 2.Sb4#
      • 1...Sg6
        • 2.Qxa8#
      • 1...Sd7
        • 2.Qxa8#
      • 1...Sh7
        • 2.Qxa8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT::S(A)
    • B(a);OGATE::QAB(I)
    • B(e);OGATE,XR(H)::B(G),XB(e)
  • Tries
    • Try
      • Q(I);CHECK
      • Vars
        • K(b);S_FLIGHT::S(A)
      • Refutation
        • S(d);XQ(I)
    • Try
      • Q(I);CHECK
      • Refutation
        • P(c);XQ(I)
    • Try
      • P(C);CHECK
      • Vars
        • K(b);S_FLIGHT::S(A)
      • Refutation
        • K(b);S_FLIGHT,XP(C)
  • Actual
    • R(H);
    • Vars
      • K(b);P_SPINS(d),S_FLIGHT::QAR1(I)
      • K(b);S_FLIGHT::S(A)
      • B(a);OGATE,XR(H)::QAB(I)
      • S(d);XP(E)::S(A)
      • B(a);OGATE::QAB(I)
      • B(e);SBLOCK::S(A)
      • B(e);N_GUARD::B(G),XB(e)
      • S(d);::S(A)
      • S(f);OGATE::QAB(I),XB(e)
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