MESON Chess Problem Database

Problem Display
PID: 235482 (2B1nb2/2Qprp2/5B2/1NRP3P/2NPk3/8/4PK2/7b w - - 0 1)

Ivanov, G

Zadachi i Etyudi, 2001

2B1nb2/2Qprp2/5B2/1NRP3P/2NPk3/8/4PK2/7b

#2

11 + 7

5007 Zadachi i Etyudi 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Qxe5#
  • Tries
    • 1.Kg3?
      • threat
        • 2.Qf4#
      • 1...Kf5
        • 2.Qf4#
      • 1...Sxc7
        • 2.Sbd6#
      • 1...Re5
        • 2.Qxe5#
      • 1...Sd6
        • 2.Sbxd6#
      • 1...d6
        • 2.Sc3#
      • 1...Bh6!
  • Keys
    • 1.Bg5!
      • threat
        • 2.Qf4#
      • 1...Kf5
        • 2.Qf4#
      • 1...Sxc7
        • 2.Scd6#
      • 1...Re5
        • 2.Qxe5#
      • 1...Sd6
        • 2.Scxd6#
      • 1...d6
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(d);N_GUARD::QAR1(J),XR(d)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • QAR1(J)
      • Vars
        • K(b);P_SPINP(c),S_FLIGHT::QAR1(J)
        • S(f);N_GUARD,XQ(J)::S(E)
        • R(d);N_GUARD::QAR1(J),XR(d)
        • S(f);N_GUARD::S(E),XS(f)
        • P(c);::S(E)
      • Refutation
        • B(g);
  • Actual
    • B(I);
    • Threat
      • QAR1(J)
    • Vars
      • K(b);P_SPINP(c),S_FLIGHT::QAR1(J)
      • S(f);N_GUARD,XQ(J)::S(C)
      • R(d);N_GUARD::QAR1(J),XR(d)
      • S(f);N_GUARD::S(C),XS(f)
      • P(c);::S(C)
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).