MESON Chess Problem Database

Problem Display
PID: 37744 (6R1/3p1p2/5N1Q/5pnP/2pP1kpb/1bp5/3n1P1P/2B3NK w - - 0 1)

Gorbatenko, Yuri Grigorevich

2nd HM., St. Petersburg Ty., 1993

6R1/3p1p2/5N1Q/5pnP/2pP1kpb/1bp5/3n1P1P/2B3NK

#2

10 + 11

3705 Album Russia (1992-1994) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf2
      • 2.Qxg5#
    • 1...Bg3
      • 2.Qxg5#
      • 2.hxg3#
    • 1...c2
      • 2.Bxd2#
  • Tries
    • 1.Kg2?
      • threat
        • 2.Se2#
      • 1...Bxf2
        • 2.Qxg5#
      • 1...Bd1!
    • 1.Rxg5?
      • threat
        • 2.Rxg4#
      • 1...g3
        • 2.Rg4#
      • 1...Bxg5!
    • 1.Re8?
      • threat
        • 2.Sd5#
      • 1...d5
        • 2.Sxd5#
      • 1...g3!
    • 1.Qf8?
      • threat
        • 2.Qd6#
      • 1...Sf3
        • 2.Se2#
      • 1...Se4
        • 2.Sd5#
      • 1...d6
        • 2.Qxd6#
      • 1...Bxf2!
  • Keys
    • 1.Ba3!
      • threat
        • 2.Bd6#
      • 1...Bxf2
        • 2.Qxg5#
      • 1...Sf3
        • 2.Se2#
      • 1...Se4
        • 2.Sd5#
      • 1...d6
        • 2.Bxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(g);N_GUARD,XP(D)::QAB1(I),XS(i)
    • P(c);N_GUARD::B(A),XS(a)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • S(B)
      • Vars
        • B(g);N_GUARD,XP(D)::QAB1(I),XS(i)
      • Refutation
        • B(b);
    • Try
      • R(J);XS(i)
      • Threat
        • QAB(I)+R(J),DCHECK,XP(f)
      • Vars
        • P(f);::QAB(I)+R(J),DCHECK
      • Refutation
        • B(g);P_SPINB(g),XR(J)
    • Try
      • R(J);
      • Threat
        • S(H)
      • Vars
        • P(j);::S(H),XP(j)
      • Refutation
        • P(f);
    • Try
      • Q(I);
      • Threat
        • QAB(I)
      • Vars
        • S(i);SBLOCK::S(B)
        • S(i);SBLOCK::S(H)
        • P(j);::QAB(I),XP(j)
      • Refutation
        • B(g);XP(D)
  • Actual
    • B(A);N_PINS(a),P_PINS(i)
    • Threat
      • B(A)
    • Vars
      • B(g);N_GUARD,XP(D)::QAB1(I),XS(i)
      • S(a);SBLOCK::S(B)
      • S(a);SBLOCK::S(H)
      • P(j);::B(A),XP(j)
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).