MESON Chess Problem Database

Problem Display
PID: 30519 (2b3r1/4p2N/3p3B/1p1RPknR/5Nq1/3Kp1pQ/3b4/1B6 w - - 0 1)

Stocchi, Ottavio

1st Comm., Feigl MT, 1950

2b3r1/4p2N/3p3B/1p1RPknR/5Nq1/3Kp1pQ/3b4/1B6

#2

9 + 11

3100 Selected Stocchi (I) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Kxe3#
    • 1...Bc3
      • 2.Kxe3#
    • 1...Bb4
      • 2.Kxe3#
    • 1...Ba5
      • 2.Kxe3#
  • Keys
    • 1.Rh4!
      • threat
        • 2.Qxg4#
      • 1...Kxf4
        • 2.Qf1#
      • 1...Qxh3
        • 2.e6#
      • 1...Sxh3
        • 2.Kd4#
        • 2.e6#
      • 1...Sxh7
        • 2.Kd4#
      • 1...Sf3
        • 2.Ke2#
      • 1...Se4
        • 2.e6#
      • 1...Se6
        • 2.exd6#
      • 1...Sf7
        • 2.Kd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 4
  • Sets
    • B(a);::B(A)+K(B),XP(b)
  • Actual
    • R(G);N_PINS(g)
    • Threat
      • QAB1(C),XQ(d)
    • Vars
      • K(f);OGATEB,P-FLIGHT,P_SPINS(g),XS(D)::QAR(C)
      • Q(d);N_SPINQ(d),XQ(C)::R(E)+P(F)
      • S(g);N_GUARD,XS(I)::B(A)+K(B)
      • S(g);::B(A)+K(B)
      • S(g);::R(E)+P(F)
      • S(g);S_CUTP(i)::R(E)+P(F),XP(h)
      • S(g);N_GUARD::B(A)+K(B)
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).