MESON Chess Problem Database

Problem Display
PID: 103708 (8/p4Q2/1b2N2R/nkP5/1N1p4/1p1r4/1P5K/R4B2 w - - 0 1)

Rowland, Thomas B

Leeds Mercury Weekly Supplement, 1884

(First published on Sat Dec 9 1882)

8/p4Q2/1b2N2R/nkP5/1N1p4/1p1r4/1P5K/R4B2

#2

9 + 7

6490 yacpdb 2009
15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sxd3?
      • 1...Bc7+
        • 2.Sxc7#
      • 1...Kc4
        • 2.Sc7#
      • 1...Ka6
        • 2.Sb4#
      • 1...Kc6
        • 2.Sb4#
        • 2.Sxd4#
      • 1...Bxc5
        • 2.Sc7#
      • 1...Bd8
        • 2.Sxd4#
      • 1...Sc4
        • 2.Sxd4#
        • 2.Qe8#
        • 2.Qd7#
      • 1...Sb7
        • 2.Sxd4#
      • 1...a6
        • 2.Sxd4#
      • 1...Sc6!
  • Keys
    • 1.Sa6!
      • 1...Bc7+
        • 2.Sexc7#
      • 1...Kc4
        • 2.Sec7#
      • 1...Kxa6
        • 2.Bxd3#
      • 1...Kc6
        • 2.Sxd4#
      • 1...Bxc5
        • 2.Sec7#
      • 1...Bd8
        • 2.Sxd4#
      • 1...Sc4
        • 2.Qe8#
        • 2.Qd7#
      • 1...Sc6
        • 2.Bxd3#
      • 1...Sb7
        • 2.Sxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);XR(b)
      • Vars
        • B(f);CHECK,N_GUARD::S(G),XB(f)
        • K(e);S_FLIGHT::QAB(I)+S(G)
        • K(e);P_SPINS(d),S_FLIGHT::B(B)+S(E),DCHECK
        • B(f);N_GUARD,XP(F)::S(G)
        • B(f);::S(G),XP(c)
        • S(d);::S(G),XP(c)
        • P(g);SBLOCK::S(G),XP(c)
      • Refutation
        • S(d);
  • Actual
    • S(E);
    • Vars
      • B(f);CHECK,N_GUARD::S(G),XB(f)
      • K(e);S_FLIGHT::QAB(I)+S(G)
      • K(e);P_SPINS(d),S_FLIGHT,XS(E)::B(B),XR(b)
      • K(e);N_SPINR(b),S_FLIGHT::R(H)+S(G),DCHECK,XP(c)
      • B(f);N_GUARD,XP(F)::S(G)
      • B(f);::S(G),XP(c)
      • S(d);N_GUARD,SBLOCK::B(B),XR(b)
      • S(d);::S(G),XP(c)
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