MESON Chess Problem Database

Problem Display
PID: 33559 (2B5/1N5P/p3rp2/NQ1pk3/4p3/B3pnK1/4P3/5R2 w - - 0 1)

Stocchi, Ottavio

4th Prize, Die Schwalbe 094. TT, 1949

2B5/1N5P/p3rp2/NQ1pk3/4p3/B3pnK1/4P3/5R2

#2

9 + 8

3100 Selected Stocchi (I) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bb2#
      • 2.Qb2#
    • 1...Rc6
      • 2.Sxc6#
    • 1...Re7
      • 2.Sc6#
    • 1...Re8
      • 2.Sc6#
    • 1...Se1
      • 2.Bb2#
    • 1...Sg1
      • 2.Bb2#
    • 1...Sd2
      • 2.Bb2#
    • 1...Sh2
      • 2.Bb2#
    • 1...Sd4
      • 2.Sc4#
    • 1...Sh4
      • 2.Bb2#
    • 1...Sg5
      • 2.Bb2#
  • Tries
    • 1.Sc4+?
      • 1...Kd4
        • 2.Bb2#
      • 1...Kf5!
    • 1.Bb2+?
      • 1...Sd4
        • 2.Sc4#
      • 1...Kf5!
  • Keys
    • 1.Qe8!
      • 1...Kd4
        • 2.Bb2#
      • 1...Kf5
        • 2.Qh5#
      • 1...Rxe8
        • 2.Sc6#
      • 1...Re7
        • 2.Sc6#
      • 1...Se1
        • 2.Sc6#
      • 1...Sg1
        • 2.Sc6#
      • 1...Sd2
        • 2.Sc6#
      • 1...Sh2
        • 2.Sc6#
      • 1...Sd4
        • 2.Bd6#
      • 1...Sh4
        • 2.Sc6#
      • 1...Sg5
        • 2.Sc6#
      • 1...d4
        • 2.Qxe6#
      • 1...f5
        • 2.h8Q#
        • 2.h8B#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 7
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(g);N_GUARD::S(E),XR(g)
    • R(g);N_GUARD::S(E)
    • S(b);N_GUARD::B(C)
    • S(b);SBLOCK::S(E)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(e);N_SPINP(d),S_FLIGHT::B(C)
      • Refutation
        • K(e);P-FLIGHT,P_SPINR(g),P_SPINS(b)
    • Try
      • B(C);CHECK
      • Vars
        • S(b);P_SPINS(b)::S(E)
      • Refutation
        • K(e);P-FLIGHT,P_SPINR(g),P_SPINS(b)
  • Actual
    • Q(F);N_PINP(d),P_PINR(g)
    • Vars
      • K(e);N_SPINR(g),S_FLIGHT::B(C)
      • K(e);P-FLIGHT,P_SPINS(b)::QAR2(F)
      • R(g);N_SPINR(g),XQ(F)::S(E)
      • R(g);::S(E)
      • S(b);::S(E)
      • S(b);SBLOCK::B(C)
      • P(d);SBLOCK::QAR1(F),XR(g)
      • P(h);SBLOCK::P=Q
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).