MESON Chess Problem Database

Problem Display
PID: 144287 (8/8/8/6NK/4N3/p3B3/R4ppk/6Rb w - - 0 1)

Orsini, Emilio

Hampstead and Highgate Express, 1895

(First published on Sat Feb 9 1895)

8/8/8/6NK/4N3/p3B3/R4ppk/6Rb

#2

6 + 5

14867 BCPS Library 2012

SOLUTION

  • SOUND
  • Sets
    • 1...fxg1Q
      • 2.Bf4#
    • 1...fxg1S
      • 2.Bf4#
    • 1...fxg1B
      • 2.Bf4#
    • 1...fxg1R
      • 2.Bf4#
  • Tries
    • 1.Rxf2?
      • 1...Kxg1
        • 2.Sf3#
      • 1...a2!
  • Keys
    • 1.Sd2!
      • 1...Kxg1
        • 2.Sgf3#
      • 1...Kg3
        • 2.Sf1#
      • 1...fxg1Q
        • 2.Bf4#
      • 1...fxg1S
        • 2.Sf1#
        • 2.Bf4#
      • 1...fxg1B
        • 2.Sf1#
        • 2.Bf4#
      • 1...fxg1R
        • 2.Bf4#
      • 1...f1Q
        • 2.Sxf1#
      • 1...f1S
        • 2.Sxf1#
      • 1...f1B
        • 2.Sxf1#
      • 1...f1R
        • 2.Sxf1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • P(b);P_SPINP(c),SBLOCK,XR(A)::B(C)
  • Tries
    • Try
      • R(B);P_PINP(c),XP(b)
      • Vars
        • K(d);N_SPINP(c),S_FLIGHT,XR(A)::S(E)
      • Refutation
        • P(e);
  • Actual
    • S(D);
    • Vars
      • K(d);P_SPINP(b),S_FLIGHT,XR(A)::S(E)
      • K(d);P_SPINP(c),S_FLIGHT::S(D)
      • P(b);SBLOCK,XR(A)::B(C)
      • P(b);S_CUTP(c),S_CUTP(c),S_CUTP(c),S_CUTP(c)::S(D),XQ(b)
      • P(b);S_CUTP(c),S_CUTP(c),S_CUTP(c),S_CUTP(c)::S(D),XS(b)
      • P(b);S_CUTP(c),S_CUTP(c),S_CUTP(c),S_CUTP(c)::S(D),XB(b)
      • P(b);S_CUTP(c),S_CUTP(c),S_CUTP(c),S_CUTP(c)::S(D),XR(b)
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