MESON Chess Problem Database

Problem Display
PID: 97089 (6b1/8/1qQ5/p7/1np1p3/K1p5/2kP2BR/1N3R2 w - - 0 1)

Stocchi, Ottavio

Il Problema, 1932

6b1/8/1qQ5/p7/1np1p3/K1p5/2kP2BR/1N3R2

#2

7 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qxe4#
    • 1...Sa2
      • 2.Bxe4#
      • 2.Qxe4#
    • 1...Sd5
      • 2.Bxe4#
    • 1...Sa6
      • 2.Bxe4#
      • 2.Qxe4#
    • 1...Sxc6
      • 2.Bxe4#
  • Tries
    • 1.Rc1+?
      • 1...Kd3
        • 2.Qxe4#
      • 1...Kxc1!
  • Keys
    • 1.d4!
      • threat
        • 2.Bxe4#
      • 1...Kd3
        • 2.Qxe4#
      • 1...cxd4 ep
        • 2.Qxc3#
      • 1...exd4 ep
        • 2.Qa4#
      • 1...e3
        • 2.Be4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • K(a);S_FLIGHT::QAB1(G),XP(e)
    • S(c);N_GUARD::B(D),XP(e)
    • S(c);N_GUARD,XQ(G)::B(D),XP(e)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(G),XP(e)
      • Refutation
        • K(a);P-FLIGHT,XR(B)
  • Actual
    • P(C);
    • Threat
      • R(E)+B(D),DCHECK,XP(e)
    • Vars
      • K(a);S_FLIGHT::QAB1(G),XP(e)
      • P(d);EP,OGATE,P_SPINP(b),XP(C)::QAR1(G),XP(b)
      • P(e);EP,XP(C)::QAB(G)
      • P(e);::R(E)+B(D),DCHECK
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).