MESON Chess Problem Database

Problem Display
PID: 106137 (8/1p1K4/bpP1P3/1P1krP2/3N2R1/1NpBpP1p/2P3pB/n2R2n1 w - - 0 1)

Wielgos, Oskar

Rochade Europa, 1985

8/1p1K4/bpP1P3/1P1krP2/3N2R1/1NpBpP1p/2P3pB/n2R2n1

#2

13 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.fxe4#
  • Tries
    • 1.Se2?
      • threat
        • 2.Sxc3#
        • 2.Sf4#
        • 2.Bc4#
        • 2.Rd4#
      • 1...Rxf5
        • 2.Sxc3#
        • 2.Bc4#
        • 2.Bxf5#
        • 2.Rd4#
      • 1...Rxe6
        • 2.Sxc3#
        • 2.Bc4#
        • 2.Rd4#
      • 1...Sxc2
        • 2.Sxc3#
        • 2.Sf4#
        • 2.Bxc2#
        • 2.Bc4#
      • 1...Sxe2
        • 2.Bxe2#
        • 2.Bc4#
      • 1...Sxf3
        • 2.Sxc3#
        • 2.Sf4#
        • 2.Bc4#
      • 1...Re4
        • 2.Sxc3#
        • 2.fxe4#
      • 1...Sxb3!
  • Keys
    • 1.Be2!
      • 1...Rxf5
        • 2.Sxf5#
      • 1...Rxe6
        • 2.Sxe6#
      • 1...Bxb5
        • 2.Sxb5#
      • 1...Sxc2
        • 2.Sxc2#
      • 1...Sxb3
        • 2.Sxb3#
      • 1...Sxe2
        • 2.Sxe2#
      • 1...Sxf3
        • 2.Sxf3#
      • 1...bxc6
        • 2.Sxc6#
      • 1...Re4
        • 2.fxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(h);OGATE::P(F),XR(h)
  • Tries
    • Try
      • S(G);
      • Threat
        • DUALS(4)
      • Refutation
        • S(a);XS(D)
  • Actual
    • B(E);
    • Vars
      • R(h);XP(J)::R(A)+S(G),XR(h)
      • R(h);XP(L)::R(A)+S(G),XR(h)
      • B(i);P_PINP(K),XP(I)::R(A)+S(G),XB(i)
      • S(a);XP(B)::R(A)+S(G),XS(a)
      • S(a);XS(D)::R(A)+S(G),XS(a)
      • S(b);XB(E)::R(A)+S(G),XS(b)
      • S(b);XP(F)::R(A)+S(G),XS(b)
      • P(k);XP(K)::R(A)+S(G),XP(k)
      • R(h);OGATE::P(F),XR(h)
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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).