MESON Chess Problem Database

Problem Display
PID: 107979 (8/8/Bp2qBN1/4Pk1p/3RN1R1/r2bPp1n/pPQ5/K3b3 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Wola Gulowska, 2000

8/8/Bp2qBN1/4Pk1p/3RN1R1/r2bPp1n/pPQ5/K3b3

#2

11 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qc8
      • 2.Bxc8#
      • 2.Qxc8#
    • 1...Bd2
      • 2.Sg3#
    • 1...Bc3
      • 2.Sg3#
    • 1...Bg3
      • 2.Sxg3#
    • 1...Bb4
      • 2.Sg3#
    • 1...Ba5
      • 2.Sg3#
    • 1...Bf1
      • 2.Sg3#
      • 2.Sd6#
    • 1...Be2
      • 2.Sg3#
      • 2.Sd6#
    • 1...Bc4
      • 2.Sg3#
      • 2.Sd6#
    • 1...Bxe4
      • 2.Qxe4#
    • 1...Bb5
      • 2.Sg3#
      • 2.Sd6#
    • 1...Bxa6
      • 2.Sg3#
      • 2.Sd6#
    • 1...Sg1
      • 2.Rg5#
    • 1...Sf2
      • 2.Sg3#
      • 2.Rg5#
    • 1...Sf4
      • 2.Rg5#
    • 1...Sg5
      • 2.Rxg5#
    • 1...f2
      • 2.Sg3#
  • Tries
    • 1.Qc8?
      • threat
        • 2.Sd6#
      • 1...Kxg4
        • 2.Qxe6#
      • 1...Qxc8
        • 2.Bxc8#
      • 1...hxg4
        • 2.Se7#
      • 1...Qd7
        • 2.Qxd7#
      • 1...Sg5
        • 2.Rxg5#
      • 1...Bb4
        • 2.Sg3#
      • 1...Sf4
        • 2.Rg5#
      • 1...Bxe4!
  • Keys
    • 1.Bc8!
      • threat
        • 2.Sd6#
      • 1...Kxg4
        • 2.Bxe6#
      • 1...Qxc8
        • 2.Qxc8#
      • 1...Bxe4
        • 2.Qxe4#
      • 1...hxg4
        • 2.Se7#
      • 1...Qd7
        • 2.Bxd7#
      • 1...Sg5
        • 2.Rxg5#
      • 1...Bb4
        • 2.Sg3#
      • 1...Sf4
        • 2.Rg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • B(a);N_GUARD::S(F)
    • B(a);N_GUARD,P_PINP(B)::S(F)
    • B(a);N_GUARD::S(F),XB(a)
    • B(d);OGATE,P_SPINB(d),XS(F)::QAB1(C),XB(d)
    • S(f);N_GUARD::R1(G)
    • S(f);N_GUARD::R1(G),XS(f)
    • P(e);S_CUTB(a)::S(F)
  • Tries
    • Try
      • Q(C);P_PINQ(j)
      • Threat
        • S(F)
      • Vars
        • K(g);S_FLIGHT,XR(G)::QAB(C),XQ(j)
        • Q(j);N_SPINQ(j),OGATE,XQ(C)::B(I),XQ(j)
        • P(h);SBLOCK,XR(G)::S(K)
        • Q(j);OGATEB::QAB(C),XQ(j)
        • S(f);N_GUARD::R1(G),XS(f)
        • B(a);N_GUARD::S(F)
        • S(f);N_GUARD::R1(G)
      • Refutation
        • B(d);XS(F)
  • Actual
    • B(I);P_PINQ(j)
    • Threat
      • S(F)
    • Vars
      • K(g);S_FLIGHT,XR(G)::B(I),XQ(j)
      • Q(j);N_SPINQ(j),OGATE,XB(I)::QAB(C),XQ(j)
      • B(d);OGATE,P_SPINB(d),XS(F)::QAB1(C),XB(d)
      • P(h);SBLOCK,XR(G)::S(K)
      • Q(j);OGATEB::B(I),XQ(j)
      • S(f);N_GUARD::R1(G),XS(f)
      • B(a);N_GUARD::S(F)
      • S(f);N_GUARD::R1(G)
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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).