MESON Chess Problem Database

Problem Display
PID: 144525 (1r6/8/1n1N4/kBp5/1n1N4/P1R4p/b6K/R7 w - - 0 1)

Orsini, Emilio

Hampstead and Highgate Express, 1895

(First published on Sat Mar 16 1895)

1r6/8/1n1N4/kBp5/1n1N4/P1R4p/b6K/R7

#2

7 + 7

14867 BCPS Library 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Rb7
      • 2.Sxb7#
    • 1...Ra8
      • 2.Sb7#
    • 1...Rc8
      • 2.Sb7#
    • 1...Rd8
      • 2.Sb7#
    • 1...Re8
      • 2.Sb7#
    • 1...Rf8
      • 2.Sb7#
    • 1...Rg8
      • 2.Sb7#
    • 1...Rh8
      • 2.Sb7#
    • 1...Bb1
      • 2.Sb3#
    • 1...Bb3
      • 2.Sxb3#
    • 1...Sc2
      • 2.Sc6#
    • 1...Sd3
      • 2.Sc6#
    • 1...S4d5
      • 2.Sc6#
    • 1...Sa6
      • 2.Sc6#
    • 1...Sc6
      • 2.Sxc6#
  • Tries
    • 1.axb4+?
      • 1...cxb4
        • 2.Sb3#
        • 2.Sc6#
      • 1...Kxb4!
  • Keys
    • 1.Rb3!
      • 1...Bxb3
        • 2.Sxb3#
      • 1...cxd4
        • 2.axb4#
      • 1...Sa4
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...S6d5
        • 2.Sc4#
      • 1...Sd7
        • 2.Sc4#
      • 1...Sa8
        • 2.Sc4#
      • 1...Sc8
        • 2.Sc4#
      • 1...Rb7
        • 2.Sxb7#
      • 1...Ra8
        • 2.Sb7#
      • 1...Rc8
        • 2.Sb7#
      • 1...Rd8
        • 2.Sb7#
      • 1...Re8
        • 2.Sb7#
      • 1...Rf8
        • 2.Sb7#
      • 1...Rg8
        • 2.Sb7#
      • 1...Rh8
        • 2.Sb7#
      • 1...Bb1
        • 2.axb4#
      • 1...Sc2
        • 2.Sc6#
      • 1...Sd3
        • 2.Sc6#
      • 1...S4d5
        • 2.Sc6#
      • 1...Sa6
        • 2.Sc6#
      • 1...Sc6
        • 2.Sxc6#
      • 1...c4
        • 2.axb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(g);N_GUARD::S(G),XR(g)
    • R(g);N_GUARD::S(G)
    • B(a);N_GUARD::S(E)
    • B(a);N_GUARD::S(E),XB(a)
    • S(c);N_GUARD::S(E)
    • S(c);N_GUARD::S(E),XS(c)
  • Tries
    • Try
      • P(C);CHECK,P_PINB(a),XS(c)
      • Refutation
        • K(d);N_SPINB(a),S_FLIGHT,XP(C)
  • Actual
    • R(D);
    • Vars
      • B(a);XR(D)::S(E),XB(a)
      • P(e);N_GUARD,XS(E)::P(C),XS(c)
      • S(f);N_GUARD::S(G)
      • S(f);N_GUARD::S(G),XS(f)
      • R(g);N_GUARD::S(G),XR(g)
      • R(g);N_GUARD::S(G)
      • B(a);::R(A)+P(C)DCHECK,XS(c)
      • S(c);N_GUARD::S(E)
      • S(c);N_GUARD::S(E),XS(c)
      • P(e);N_GUARD::P(C),XS(c)
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