MESON Chess Problem Database

Problem Display
PID: 47860 (6b1/Kp1P3B/2Np2r1/pQpk4/2p2B2/5P2/4R3/8 w - - 0 1)

Chornous, Volodimir Mikhailovich

Uralski Problemist, 2003

6b1/Kp1P3B/2Np2r1/pQpk4/2p2B2/5P2/4R3/8

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Rd2#
    • 1...Be6
      • 2.Rd2#
  • Tries
    • 1.Sxa5?
      • threat
        • 2.Qxc4#
      • 1...c3
        • 2.Qd3#
        • 2.Qc4#
      • 1...Kd4!
    • 1.Bxd6?
      • threat
        • 2.Qxc5#
      • 1...Kxd6
        • 2.d8Q#
      • 1...Rxd6
        • 2.Re5#
      • 1...b6!
    • 1.Bxg8+?
      • 1...Re6
        • 2.Bxe6#
        • 2.Rd2#
      • 1...Rxg8!
    • 1.Re4?
      • threat
        • 2.Se7#
      • 1...bxc6
        • 2.Qxc4#
      • 1...Re6
        • 2.Rd4#
      • 1...Rg7!
    • 1.Qb1?
      • threat
        • 2.Qe4#
      • 1...Kxc6
        • 2.Qxb7#
      • 1...Re6!
    • 1.d8Q?
      • threat
        • 2.Re5#
      • 1...Re6
        • 2.Rd2#
      • 1...Rg5
        • 2.Qxg5#
        • 2.Qxd6#
      • 1...bxc6!
    • 1.d8R?
      • threat
        • 2.Re5#
      • 1...Re6
        • 2.Rd2#
      • 1...Rg5
        • 2.Rxd6#
      • 1...bxc6!
  • Keys
    • 1.d8S!
      • threat
        • 2.Rd2#
      • 1...Rg2
        • 2.Be4#
      • 1...c3
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(f);SBLOCK::R(A)
    • B(h);SBLOCK::R(A)
  • Tries
    • Try
      • S(E);XP(b)
      • Threat
        • QAB1(D),XP(a)
      • Refutation
        • K(d);N_SPINP(c),P-FLIGHT
    • Try
      • B(C);XP(e)
      • Threat
        • QAR1(D),XP(c)
      • Vars
        • K(d);N_SPINP(c),P-FLIGHT,XB(C)::P=Q
        • R(f);SBLOCK,XB(C)::R1(A)
      • Refutation
        • P(g);
    • Try
      • B(H);CHECK,XB(h)
      • Refutation
        • R(f);XB(H)
    • Try
      • R(A);
      • Threat
        • S(E)
      • Vars
        • P(g);SBLOCK,XS(E)::QAB1(D),XP(a)
        • R(f);SBLOCK::R1(A)
      • Refutation
        • R(f);
    • Try
      • Q(D);N_PINP(c)
      • Threat
        • QAB1(D)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XS(E)::QAB1(D),XP(g)
      • Refutation
        • R(f);
    • Try
      • P(G);
      • Threat
        • R1(A)
      • Vars
        • R(f);SBLOCK::R(A)
      • Refutation
        • P(g);XS(E)
    • Try
      • P(G);
      • Threat
        • R1(A)
      • Vars
        • R(f);SBLOCK::R(A)
        • R(f);N_GUARD::R1(G),XP(e)
      • Refutation
        • P(g);XS(E)
  • Actual
    • P(G);
    • Threat
      • R(A)
    • Vars
      • R(f);OGATE::B(H)
      • P(a);OGATE::QAR2(D)
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).