MESON Chess Problem Database

Problem Display
PID: 15550 (5B2/3n4/8/8/2p2Q2/3k4/8/2KB4 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Schach-Aktiv, 1985

5B2/3n4/8/8/2p2Q2/3k4/8/2KB4

#2

4 + 3

3296 Shakhmatny zadachi miniaturi 1987
145 StrateGems 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Qd2#
      • 2.Qe3#
  • Tries
    • 1.Bc2+?
      • 1...Kc3
        • 2.Qd2#
        • 2.Qe3#
      • 1...Ke2!
    • 1.Be2+?
      • 1...Kc3
        • 2.Qe3#
        • 2.Qxc4#
      • 1...Kxe2!
    • 1.Bc5?
      • threat
        • 2.Qe3#
        • 2.Qf3#
        • 2.Qd4#
      • 1...Kc3
        • 2.Qd2#
        • 2.Qe3#
        • 2.Qg3#
        • 2.Qf3#
        • 2.Qd4#
      • 1...Se5
        • 2.Qe3#
        • 2.Qd4#
      • 1...c3
        • 2.Qd4#
      • 1...Sxc5!
    • 1.Bh6?
      • threat
        • 2.Qe3#
      • 1...Kc3
        • 2.Qd2#
      • 1...c3!
    • 1.Qe5?
      • threat
        • 2.Bc2#
        • 2.Be2#
      • 1...c3
        • 2.Be2#
      • 1...Sxe5!
    • 1.Qe4+?
      • 1...Kc3
        • 2.Qe3#
      • 1...Kxe4!
  • Keys
    • 1.Bf3!
      • threat
        • 2.Qd2#
      • 1...Kc3
        • 2.Qe3#
      • 1...c3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);CHECK
      • Refutation
        • K(a);S_FLIGHT,XB(B)
    • Try
      • B(D);
      • Threat
        • DUALS(3)
      • Vars
        • P(b);::QAR1(C)
      • Refutation
        • S(c);XB(D)
    • Try
      • B(D);
      • Threat
        • QAR1(C)
      • Vars
        • K(a);P-FLIGHT::QAB1(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::B(B)
      • Refutation
        • S(c);XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
  • Actual
    • B(B);
    • Threat
      • QAR1(C)
    • Vars
      • K(a);P-FLIGHT::QAR2(C)
      • P(b);SBLOCK::QAB1(C)
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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).