MESON Chess Problem Database

Problem Display
PID: 49738 (8/2Q1p1r1/1n1p2bn/b2P2R1/2Bk2p1/3Pp1B1/1P2PP1K/8 w - - 0 1)

Slagmolen, Cornelis

Probleemblad, 2003

8/2Q1p1r1/1n1p2bn/b2P2R1/2Bk2p1/3Pp1B1/1P2PP1K/8

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Qxb6#
    • 1...Bd2
      • 2.Qxb6#
    • 1...Bc3
      • 2.Qxb6#
    • 1...Sxc4
      • 2.Qxc4#
    • 1...Sxd5
      • 2.Rxd5#
    • 1...Sf5
      • 2.Rxg4#
    • 1...exf2
      • 2.Bxf2#
  • Tries
    • 1.Rxg4+?
      • 1...Be4
        • 2.Rxe4#
      • 1...Sxg4+!
    • 1.Qc5+?
      • 1...dxc5
        • 2.Be5#
      • 1...Kxc5!
  • Keys
    • 1.Re5!
      • threat
        • 2.fxe3#
      • 1...Sxc4
        • 2.Qxc4#
      • 1...Sxd5
        • 2.Rxd5#
      • 1...exf2
        • 2.e3#
      • 1...dxe5
        • 2.Bxe5#
      • 1...Bd2
        • 2.Qxb6#
      • 1...Be4
        • 2.Rxe4#
      • 1...Sf5
        • 2.Re4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(d);N_GUARD::QAB(J),XS(e)
    • S(e);OGATE,XB(G)::QAR1(J),XS(e)
    • S(e);OGATE,XP(H)::R1(I),XS(e)
    • S(h);N_GUARD,S_CUTB(g)::R(I),XP(c)
    • P(a);OGATE,XP(C)::B(F),XP(a)
  • Tries
    • Try
      • R(I);CHECK,XP(c)
      • Vars
        • B(g);N_GUARD,P_SPINB(g)::R1(I),XB(g)
      • Refutation
        • S(h);CHECK,XR(I)
    • Try
      • Q(J);CHECK
      • Vars
        • P(f);SBLOCK,XQ(J)::B(F)
      • Refutation
        • K(b);S_FLIGHT,XQ(J)
  • Actual
    • R(I);
    • Threat
      • P(C),XP(a)
    • Vars
      • S(e);OGATE,XB(G)::QAR1(J),XS(e)
      • S(e);OGATE,XP(H)::R1(I),XS(e)
      • P(a);OGATE,XP(C)::P(B)
      • P(f);OGATE,XR(I)::B(F),XP(f)
      • B(d);N_GUARD::QAB(J),XS(e)
      • B(g);N_GUARD::R1(I),XB(g)
      • S(h);S_CUTB(g)::R1(I)
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).