MESON Chess Problem Database

Problem Display
PID: 99483 (Bb1Br3/1K2P3/3k4/1PN2R2/3PR3/6Nq/2r5/7b w - - 0 1)

Bakcsi, Gyorgy

1st Prize, Budapesti Sakkszovetseg, 1966

Bb1Br3/1K2P3/3k4/1PN2R2/3PR3/6Nq/2r5/7b

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rg2
      • 2.Re6#
    • 1...Rxe7+
      • 2.Bxe7#
    • 1...Rxd8
      • 2.exd8Q#
      • 2.exd8R#
    • 1...Rf8
      • 2.exf8Q#
      • 2.exf8B#
    • 1...Bxe4+
      • 2.Sgxe4#
    • 1...Ba7
      • 2.Bc7#
    • 1...Bc7
      • 2.Bxc7#
  • Tries
    • 1.Kxb8?
      • threat
        • 2.Re6#
        • 2.Rd5#
      • 1...Rxd8+
        • 2.exd8Q#
        • 2.exd8R#
      • 1...Qxf5
        • 2.Sxf5#
      • 1...Rxe7
        • 2.Bxe7#
        • 2.Rd5#
      • 1...Bxe4
        • 2.Sgxe4#
      • 1...Qh5
        • 2.Re6#
        • 2.Rf6#
      • 1...Qh6
        • 2.Rd5#
      • 1...Re2
        • 2.Rd5#
      • 1...Rxc5!
  • Keys
    • 1.Kc8!
      • threat
        • 2.Re6#
      • 1...Qxf5+
        • 2.Sxf5#
      • 1...Rxc5+
        • 2.dxc5#
      • 1...Rxd8+
        • 2.exd8Q#
        • 2.exd8R#
      • 1...Rxe7
        • 2.Bxe7#
      • 1...Bxe4
        • 2.Sxe4#
      • 1...Qh6
        • 2.Rd5#
      • 1...Re2
        • 2.Sb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • R(b);N_PINR(C)::R1(C)
    • R(f);CHECK,OGATE,XP(H)::B(J),XR(f)
    • R(f);OGATE,XB(J)::PXR(f)=Q
    • R(f);OGATE::PXR(f)=Q
    • B(a);CHECK,XR(C)::S(A),XB(a)
    • B(e);N_GUARD::B(J)
    • B(e);N_GUARD::B(J),XB(e)
  • Tries
    • Try
      • K(G);N_SPINR(C),P-FLIGHT,P_SPINB(J),XB(e)
      • Threat
        • DUALS(2)
      • Vars
        • R(f);CHECK,OGATE,XB(J)::PXR(f)=Q
        • Q(c);XR(F)::S(A),XQ(c)
        • B(a);XR(C)::S(A),XB(a)
        • Q(c);::R1(F)
        • R(b);::R1(F)
      • Refutation
        • R(b);XS(E)
  • Actual
    • K(G);N_SPINR(C),P_SPINB(J),P_SPINR(F),P_SPINS(E),S_FLIGHT
    • Threat
      • R1(C)
    • Vars
      • Q(c);CHECK,XR(F)::S(A),XQ(c)
      • R(b);CHECK,XS(E)::P(B),XR(b)
      • R(f);CHECK,OGATE,XB(J)::PXR(f)=Q
      • R(f);N_PINB(J),XP(H)::B(J),XR(f)
      • B(a);XR(C)::S(A),XB(a)
      • Q(c);N_PINR(F)::R1(F)
      • R(b);N_PINS(E)::S(E)
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).