MESON Chess Problem Database

Problem Display
PID: 63369 (Bb6/q3PK2/r1N3N1/1Qp1pk2/2PP1p1P/5R1P/4P1P1/1R6 w - - 0 1)

Tkachenko, Sergiy Ivanovich

Die Schwalbe, 2005

Bb6/q3PK2/r1N3N1/1Qp1pk2/2PP1p1P/5R1P/4P1P1/1R6

#2

14 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe7+
      • 2.Scxe7#
    • 1...cxd4
      • 2.Rxf4#
    • 1...exd4
      • 2.Sxd4#
    • 1...e4
      • 2.g4#
  • Tries
    • 1.Scxe5?
      • threat
        • 2.Rxf4#
        • 2.e4#
        • 2.g4#
      • 1...Qxe7+
        • 2.Sxe7#
      • 1...Qxa8
        • 2.Rxf4#
      • 1...Rxg6
        • 2.e4#
      • 1...Bxe5
        • 2.e4#
        • 2.g4#
      • 1...cxd4
        • 2.Rxf4#
        • 2.g4#
      • 1...Qb7
        • 2.Rxf4#
      • 1...Rc6
        • 2.Rxf4#
      • 1...Rf6+!
  • Keys
    • 1.Re1!
      • threat
        • 2.e4#
      • 1...Qxe7+
        • 2.Scxe7#
      • 1...Ke4
        • 2.Qb1#
      • 1...cxd4
        • 2.Rxf4#
      • 1...exd4
        • 2.Sxd4#
      • 1...e4
        • 2.g4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(f);CHECK,XP(L)::S(J),XQ(f)
    • P(b);S_CUTP(c),XP(G)::R1(D),XP(a)
    • P(c);XP(G)::S(J),XP(c)
    • P(c);SBLOCK::P(C)
  • Tries
    • Try
      • S(J);XP(c)
      • Threat
        • DUALS(3)
      • Vars
        • Q(f);CHECK,XP(L)::S(K),XQ(f)
        • Q(f);N_PINP(L),XB(N)::R1(D),XP(a)
        • R(e);XS(K)::P(B)
        • Q(f);::R1(D),XP(a)
        • R(e);::R1(D),XP(a)
      • Refutation
        • R(e);CHECK
  • Actual
    • R(A);
    • Threat
      • P(B)
    • Vars
      • Q(f);CHECK,XP(L)::S(J),XQ(f)
      • K(d);N_SPINP(a),S_FLIGHT::QAB(I)
      • P(b);S_CUTP(c),XP(G)::R1(D),XP(a)
      • P(c);XP(G)::S(J),XP(c)
      • P(c);SBLOCK::P(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).