MESON Chess Problem Database

Problem Display
PID: 103489 (b2R4/5NqQ/3pp1n1/1P1p4/1K1k1b1r/N1R3p1/8/1BB5 w - - 0 1)

Biscan, Dragutin

Zagrebacki susreti, 1989

b2R4/5NqQ/3pp1n1/1P1p4/1K1k1b1r/N1R3p1/8/1BB5

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Be3
      • 2.Bxe3#
    • 1...Be5
      • 2.Be3#
    • 1...Se5
      • 2.Sc2#
    • 1...Se7
      • 2.Sc2#
      • 2.Rd3#
      • 2.Qd3#
    • 1...Sf8
      • 2.Sc2#
      • 2.Rd3#
      • 2.Qd3#
    • 1...Sh8
      • 2.Sc2#
      • 2.Rd3#
      • 2.Qd3#
  • Tries
    • 1.Sg5?
      • threat
        • 2.Sf3#
      • 1...Ke5
        • 2.Qxg7#
      • 1...Se5
        • 2.Sc2#
        • 2.Sxe6#
      • 1...Bxg5!
    • 1.Re3?
      • threat
        • 2.Sc2#
      • 1...Bxe3
        • 2.Bb2#
      • 1...Rh2!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sf3#
      • 1...Kxe5
        • 2.Qxg7#
      • 1...Qxe5
        • 2.Qa7#
      • 1...Bxe5
        • 2.Be3#
      • 1...Sxe5
        • 2.Sc2#
      • 1...dxe5
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(c);N_GUARD::B(B),XB(c)
    • B(c);N_GUARD::B(B)
    • S(h);::S(C)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • K(b);S_FLIGHT::QAB(H),XQ(i)
      • Refutation
        • B(c);XS(G)
    • Try
      • R(D);
      • Threat
        • S(C)
      • Vars
        • B(c);SBLOCK,XR(D)::B(B)
      • Refutation
        • R(d);
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(G)::QAB(H),XQ(i)
      • Q(i);OGATE,SBLOCK,XS(G)::QAB(H)
      • B(c);N_GUARD,SBLOCK,XS(G)::B(B)
      • S(h);SBLOCK,XS(G)::S(C)
      • P(f);P_SPINP(e),SBLOCK,XS(G)::R1(D)
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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).