MESON Chess Problem Database

Problem Display
PID: 266614 (3B4/3bb2r/P1k1p3/R4p2/2N1p1p1/6R1/n1p2NKp/5Q1B w - - 0 1)

Dyachuk, Vasyl Vasilovich

Kopyl, Valery Volodimirovich

4th HM., Pat a Mat, 2015

3B4/3bb2r/P1k1p3/R4p2/2N1p1p1/6R1/n1p2NKp/5Q1B

#2

9 + 11

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • threat
        • 2.Sde5#
      • 1...Bxd8
        • 2.Rc5#
      • 1...exd3
        • 2.Kf2#
      • 1...Bc5
        • 2.Rxc5#
      • 1...Bf6
        • 2.Rc5#
      • 1...e5
        • 2.Sdxe5#
      • 1...Bd6!
    • 1.Rd3?
      • threat
        • 2.Se5#
      • 1...exd3
        • 2.Kg3#
      • 1...Bd6
        • 2.Rxd6#
      • 1...Bf6
        • 2.Rd6#
      • 1...e5
        • 2.Sxe5#
      • 1...Bxd8!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Se5#
      • 1...Bxd8
        • 2.Qd6#
      • 1...exd3
        • 2.Kf1#
      • 1...Bd6
        • 2.Qxd6#
      • 1...Bf6
        • 2.Qd6#
      • 1...e5
        • 2.Sxe5#
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • B(j);N_GUARD,XB(I)::R1(G)
        • P(d);XS(C)::B(B)+K(D)
        • B(j);N_GUARD::R1(G),XB(j)
        • B(j);N_GUARD::R1(G)
        • P(h);::S(C),XP(h)
      • Refutation
        • B(j);
    • Try
      • R(E);
      • Threat
        • S(F)
      • Vars
        • P(d);XR(E)::B(B)+K(D)
        • B(j);N_GUARD::R1(E),XB(j)
        • B(j);N_GUARD::R1(E)
        • P(h);::S(F),XP(h)
      • Refutation
        • B(j);XB(I)
  • Actual
    • Q(A);
    • Threat
      • S(F)
    • Vars
      • B(j);N_GUARD,XB(I)::QAR1(A)
      • P(d);XQ(A)::B(B)+K(D)
      • B(j);N_GUARD::QAR1(A),XB(j)
      • B(j);N_GUARD::QAR1(A)
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).