MESON Chess Problem Database

Problem Display
PID: 138335 (3N4/3KQp2/2ppN2n/3Pkp2/1n2BR2/1b2p1P1/8/2r1B3 w - - 0 1)

Groeneveld, Cornelis

2nd Prize, Sachmatija, 2005-2006

3N4/3KQp2/2ppN2n/3Pkp2/1n2BR2/1b2p1P1/8/2r1B3

#2

9 + 10

56 The Problemist 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Bc3#
    • 1...Rb1
      • 2.Bc3#
    • 1...Rc3
      • 2.Bxc3#
    • 1...Bc2
      • 2.Bc3#
    • 1...Sc2
      • 2.Sxc6#
    • 1...Sg4
      • 2.Sxf7#
    • 1...Sg8
      • 2.Sxf7#
    • 1...fxe4
      • 2.Qxd6#
    • 1...fxe6
      • 2.Qg7#
    • 1...f6
      • 2.Qxd6#
  • Tries
    • 1.Bxb4?
      • threat
        • 2.Bxd6#
      • 1...fxe4
        • 2.Qxd6#
      • 1...fxe6
        • 2.Qg7#
      • 1...c5
        • 2.Sc6#
      • 1...Rc5!
  • Keys
    • 1.Bc2!
      • threat
        • 2.Sc7#
      • 1...Kxd5
        • 2.Qxd6#
      • 1...Bxd5
        • 2.Bc3#
      • 1...Sxd5
        • 2.Sxc6#
      • 1...fxe6
        • 2.Qxe6#
      • 1...Sg8
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 8
  • Sets
    • R(a);N_GUARD::B(A)
    • R(a);N_GUARD::B(A),XR(a)
    • B(b);S_CUTR(a)::B(A)
    • S(d);N_GUARD,S_CUTR(a)::S(I),XP(g)
    • S(i);N_GUARD::S(I),XP(j)
    • P(f);XB(C)::QAB1(H),XP(h)
    • P(j);OGATE,P_SPINP(j),XS(F)::QAB(H)
    • P(j);SBLOCK::QAB1(H),XP(h)
  • Tries
    • Try
      • B(A);XS(d)
      • Threat
        • B(A),XP(h)
      • Vars
        • P(f);XB(C)::QAB1(H),XP(h)
        • P(j);OGATE,P_SPINP(j),XS(F)::QAB(H)
        • P(g);S_CUTR(a)::S(I)
      • Refutation
        • R(a);
  • Actual
    • B(C);
    • Threat
      • QAR(H)+S(F)
    • Vars
      • K(e);P-FLIGHT,XP(E)::QAR1(H),XP(h)
      • B(b);SBLOCK,XP(E)::B(A)
      • S(d);N_GUARD,SBLOCK,XP(E)::S(I),XP(g)
      • P(j);OGATE,P_SPINP(j),XS(F)::QAR1(H),XP(j)
      • S(i);N_GUARD::R1(D),XP(f)
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).