MESON Chess Problem Database

Problem Display
PID: 112946 (1B2K3/p2p1p2/1p6/1N1k1Bpp/qR1P2b1/1p1P3Q/4Npnr/8 w - - 0 1)

Dombrovskis, Alfreds A

Sushkov, Yuri Akimovich

Molodoi Leninets, 1976

1B2K3/p2p1p2/1p6/1N1k1Bpp/qR1P2b1/1p1P3Q/4Npnr/8

#2

9 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe2
      • 2.Be4#
    • 1...Bf3
      • 2.Qxf3#
  • Tries
    • 1.Qxg2+?
      • 1...Bf3
        • 2.Qxf3#
      • 1...Rxg2!
  • Keys
    • 1.Kxd7!
      • threat
        • 2.Sc3#
      • 1...Qxb5+
        • 2.Rxb5#
      • 1...Bxf5+
        • 2.Qxf5#
      • 1...Qxb4
        • 2.Sc7#
      • 1...Bxe2
        • 2.Be4#
      • 1...Qa1
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(f);XS(A)::B(G)
    • B(f);N_GUARD::QAB(C),XB(f)
  • Tries
    • Try
      • Q(C);CHECK,XS(b)
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::QAB(C),XB(f)
      • Refutation
        • R(c);XQ(C)
  • Actual
    • K(I);P_SPINB(G),P_SPINS(F),S_FLIGHT,XP(l)
    • Threat
      • S(A)
    • Vars
      • Q(e);CHECK,OGATE,XS(F)::R(D),XQ(e)
      • B(f);CHECK,OGATE,XB(G)::QAR2(C),XB(f)
      • Q(e);N_PINS(F),XR(D)::S(F)
      • B(f);N_PINB(G),XS(A)::B(G)
      • Q(e);N_PINS(F)::S(F)
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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).