MESON Chess Problem Database

Problem Display
PID: 132111 (3B4/5r2/1n6/prPN2Np/1p1k1PR1/1BR1p1qQ/K2pP3/8 w - - 0 1)

Andrieu, Daniel

Sahovski Glasnik, 0000

3B4/5r2/1n6/prPN2Np/1p1k1PR1/1BR1p1qQ/K2pP3/8

#2

11 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qe1
      • 2.Qxe3#
    • 1...Qh2
      • 2.Qxe3#
    • 1...Qxf4
      • 2.Qxe3#
    • 1...Qh4
      • 2.Qxe3#
    • 1...Qg2
      • 2.Qxe3#
    • 1...Qxg4
      • 2.Qxe3#
    • 1...Rxc5
      • 2.Rd3#
    • 1...Rxf4
      • 2.Bf6#
    • 1...Rf6
      • 2.Bxf6#
    • 1...Ra7
      • 2.Bf6#
    • 1...Rb7
      • 2.Bf6#
    • 1...Rc7
      • 2.Bf6#
    • 1...Rd7
      • 2.Bf6#
    • 1...Rg7
      • 2.Bf6#
    • 1...Rh7
      • 2.Bf6#
    • 1...Sxd5
      • 2.Rc4#
  • Tries
    • 1.f5+?
      • 1...Ke5
        • 2.Re4#
      • 1...Qf4
        • 2.Qxe3#
      • 1...Qxg4
        • 2.Qxe3#
      • 1...hxg4!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Sxb5#
      • 1...Kxc3
        • 2.Sxb5#
      • 1...Qxf4
        • 2.Qxe3#
      • 1...Rxc5
        • 2.Rd3#
      • 1...Rxf4
        • 2.Bf6#
      • 1...Rxc7
        • 2.Bf6#
      • 1...bxc3
        • 2.Sce6#
      • 1...Sc4
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 12
  • Sets
    • Q(c);OGATE::QAB1(E),XP(b)
    • Q(c);OGATE,P_SPINQ(c),XP(F)::QAB1(E),XP(b)
    • Q(c);OGATE,XR(G)::QAB1(E),XP(b)
    • R(g);SBLOCK,XP(H)::R1(D)
    • R(j);N_GUARD,P_SPINR(j),XP(F)::B(K)
    • R(j);N_GUARD::B(K),XR(j)
    • R(j);N_GUARD::B(K)
    • S(i);N_GUARD,SBLOCK,XS(I)::R1(D)
  • Tries
    • Try
      • P(F);CHECK
      • Vars
        • K(e);S_FLIGHT::R1(G)
        • Q(c);OGATE,P_SPINQ(c)::QAB1(E),XP(b)
        • Q(c);OGATE,XR(G)::QAB1(E),XP(b)
      • Refutation
        • P(h);XR(G)
  • Actual
    • S(I);
    • Threat
      • S(I),XR(g)
    • Vars
      • K(e);S_FLIGHT,XR(D)::S(I),XR(g)
      • Q(c);OGATE,P_SPINQ(c),XP(F)::QAB1(E),XP(b)
      • R(g);SBLOCK,XP(H)::R1(D)
      • R(j);N_GUARD,P_SPINR(j),XP(F)::B(K)
      • R(j);N_GUARD,XS(I)::B(K)
      • P(d);SBLOCK,XR(D)::S(I)
      • S(i);N_GUARD::R1(D),XS(i)
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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).