MESON Chess Problem Database

Problem Display
PID: 46910 (3R4/K3p3/3PB3/p1p2pB1/N2kP1p1/1R1Nr1r1/7Q/2b4b w - - 0 1)

Kuznetsov, Pavel G

Probleemblad, 2003

3R4/K3p3/3PB3/p1p2pB1/N2kP1p1/1R1Nr1r1/7Q/2b4b

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe4
      • 2.dxe7#
    • 1...Rg1
      • 2.Qe5#
    • 1...Rg2
      • 2.Qe5#
    • 1...Rf3
      • 2.Qe5#
    • 1...Rh3
      • 2.Qe5#
    • 1...Bxe4
      • 2.Qh8#
    • 1...fxe4
      • 2.Qh8#
      • 2.dxe7#
  • Tries
    • 1.Sdxc5?
      • threat
        • 2.Qh8#
      • 1...Ke5
        • 2.Qh8#
      • 1...Rh3
        • 2.dxe7#
      • 1...Rxe4!
    • 1.Saxc5?
      • threat
        • 2.Qh8#
        • 2.dxe7#
      • 1...Rxe4
        • 2.dxe7#
      • 1...Bxe4
        • 2.Qh8#
      • 1...exd6
        • 2.Bf6#
        • 2.Rxd6#
        • 2.Qh8#
      • 1...Rh3
        • 2.Qe5#
        • 2.dxe7#
      • 1...Rxd3!
  • Keys
    • 1.Sc3!
      • threat
        • 2.dxe7#
      • 1...Kxd3
        • 2.dxe7#
      • 1...Rxd3
        • 2.Qh8#
      • 1...Bxe4
        • 2.Sb5#
      • 1...exd6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(c);SBLOCK,XP(E)::R(J)+P(G),XP(j)
    • R(d);OGATE::QAB1(A)
    • B(b);SBLOCK,XP(E)::QAB(A)
  • Tries
    • Try
      • S(C);XP(h)
      • Threat
        • QAB(A)
      • Vars
        • K(e);P_SPINR(d),S_FLIGHT::QAB(A)
        • R(d);::R(J)+P(G),XP(j)
      • Refutation
        • R(c);XP(E)
    • Try
      • S(D);XP(h)
      • Threat
        • DUALS(2)
      • Vars
        • R(c);XP(E)::R(J)+P(G),XP(j)
        • B(b);XP(E)::QAB(A)
      • Refutation
        • R(c);XS(C)
  • Actual
    • S(D);
    • Threat
      • R(J)+P(G),XP(j)
    • Vars
      • K(e);P-FLIGHT,XS(C)::R(J)+P(G),XP(j)
      • R(c);SBLOCK,XS(C)::QAB(A)
      • B(b);SBLOCK,XP(E)::S(D)
      • P(j);OGATE,P_SPINP(j),XP(G)::R(J),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).