MESON Chess Problem Database

Problem Display
PID: 166146 (2K1BQ2/2p2p2/8/3k2N1/3NR1n1/3P2B1/8/2r1nr2 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Prize, Sachove umeni (Ceskoslovensky sach), 2014

2K1BQ2/2p2p2/8/3k2N1/3NR1n1/3P2B1/8/2r1nr2

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Bc6#
    • 1...Rb1
      • 2.Bc6#
    • 1...Rd1
      • 2.Bc6#
    • 1...Rc6
      • 2.Bxc6#
    • 1...Rg1
      • 2.Bxf7#
    • 1...Rh1
      • 2.Bxf7#
    • 1...Sc2
      • 2.Bc6#
    • 1...Sf3
      • 2.Bxf7#
    • 1...Sf2
      • 2.Bxf7#
    • 1...Sf6
      • 2.Bxf7#
    • 1...c5
      • 2.Bc6#
      • 2.Qd6#
    • 1...c6
      • 2.Qd6#
    • 1...f5
      • 2.Bf7#
    • 1...f6
      • 2.Bf7#
  • Tries
    • 1.Sb3?
      • threat
        • 2.Rd4#
      • 1...Rc4
        • 2.dxc4#
      • 1...Sc2
        • 2.Qc5#
      • 1...Sf3
        • 2.Qxf7#
      • 1...c5
        • 2.Qd6#
      • 1...Rf4!
    • 1.Sde6?
      • threat
        • 2.Rd4#
      • 1...Rf4
        • 2.Sxf4#
      • 1...Rc4
        • 2.dxc4#
      • 1...Sc2
        • 2.Sxc7#
        • 2.Qc5#
      • 1...Sf3
        • 2.Sf4#
      • 1...c5
        • 2.Sc7#
        • 2.Qd6#
      • 1...fxe6!
  • Keys
    • 1.Se2!
      • threat
        • 2.Rd4#
      • 1...Rc4
        • 2.dxc4#
      • 1...Rf4
        • 2.Sxf4#
      • 1...Sc2
        • 2.Sc3#
      • 1...Sf3
        • 2.Sf4#
      • 1...c5
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 11
  • Sets
    • R(a);N_GUARD::B(G)
    • R(a);N_GUARD::B(G),XR(a)
    • R(c);N_GUARD::B(G),XP(g)
    • S(b);S_CUTR(a)::B(G)
    • S(b);S_CUTR(c)::B(G),XP(g)
    • S(d);S_CUTR(c)::B(G),XP(g)
    • P(f);N_GUARD::QAR1(H)
    • P(g);S_CUTR(c)::B(G)
  • Tries
    • Try
      • S(C);
      • Threat
        • R1(D)
      • Vars
        • R(a);OGATE::P(A),XR(a)
        • S(b);S_CUTR(a)::QAR1(H)
        • S(b);S_CUTR(c)::QAB(H),XP(g)
        • P(f);N_GUARD::QAR1(H)
      • Refutation
        • R(c);
    • Try
      • S(C);
      • Threat
        • R1(D)
      • Vars
        • R(c);N_GUARD::S(C),XR(c)
        • R(a);OGATE::P(A),XR(a)
        • S(b);S_CUTR(c)::S(C)
      • Refutation
        • P(g);XS(C)
  • Actual
    • S(C);
    • Threat
      • R1(D)
    • Vars
      • R(a);OGATE::P(A),XR(a)
      • R(c);N_GUARD::S(C),XR(c)
      • S(b);S_CUTR(a)::S(C)
      • S(b);S_CUTR(c)::S(C)
      • P(f);N_GUARD::QAR1(H)
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).