MESON Chess Problem Database

Problem Display
PID: 207436 (7B/3Pp3/nRp3Q1/5PNB/b1pN2pr/2pkp2p/8/R3K3 w Q - 0 1)

Kamensky, Viacheslav Ivanovich

Die Schwalbe, 1974

7B/3Pp3/nRp3Q1/5PNB/b1pN2pr/2pkp2p/8/R3K3

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Rxd1#
    • 1...Bb5
      • 2.Rd1#
      • 2.0-0-0#
    • 1...g3
      • 2.Be2#
    • 1...e5
      • 2.fxe5 ep#
    • 1...e6
      • 2.fxe6#
  • Keys
    • 1.Sc2!
      • threat
        • 2.f6#
      • 1...Kxc2
        • 2.f6#
      • 1...Bxc2
        • 2.d8Q#
        • 2.d8R#
      • 1...Sc5
        • 2.Sb4#
      • 1...g3
        • 2.0-0-0#
      • 1...e5
        • 2.fxe5 ep#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(e);N_GUARD::R(A),XB(e)
    • P(g);OGATE::B(F)
    • P(k);OGATE::QAB(H)+P(D),XP(k),EP
    • P(k);OGATE::QAB(H)+P(D),XP(k)
  • Actual
    • S(C);
    • Threat
      • QAB(H)+P(D)
    • Vars
      • K(b);S_FLIGHT,XS(C)::QAB(H)+P(D)
      • B(e);SBLOCK,XS(C)::P=Q
      • S(i);N_GUARD::S(C)
      • P(g);::0-0-0
      • P(k);OGATE::QAB(H)+P(D),XP(k),EP
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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).