MESON Chess Problem Database

Problem Display
PID: 179445 (3B1K2/1P2N1pB/3R1N2/Q1b1knp1/4n3/4P1P1/2p5/3q1r1b w - - 0 1)

Adabashev, Mark Ivanovich

2nd HM., Chigorin MT, 1938-1939

3B1K2/1P2N1pB/3R1N2/Q1b1knp1/4n3/4P1P1/2p5/3q1r1b

#2

10 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qxc5+?
      • 1...Qd5
        • 2.Sg4#
        • 2.Sd7#
        • 2.Sc6#
        • 2.Sg6#
        • 2.Qxd5#
      • 1...Sxc5!
  • Keys
    • 1.Qa2!
      • threat
        • 2.Re6#
        • 2.Qe6#
      • 1...Kxd6
        • 2.b8Q#
        • 2.b8B#
      • 1...Qxd6
        • 2.Sg4#
      • 1...Bxe3
        • 2.Qe6#
      • 1...Bxd6
        • 2.Sd7#
      • 1...Sexd6
        • 2.Sg6#
      • 1...Sxe3
        • 2.Qe6#
      • 1...Sfxd6
        • 2.Sc6#
      • 1...Qd5
        • 2.Qxd5#
      • 1...Sd4
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK,XB(f)
      • Refutation
        • S(e);XQ(C)
  • Actual
    • Q(C);N_PINB(f)
    • Threat
      • DUALS(2)
    • Vars
      • K(g);S_FLIGHT,XR(D)::P=Q
      • Q(a);N_GUARD,P_PINS(G),SBLOCK,XR(D)::S(E)
      • B(f);XP(A)::QAR1(C)
      • B(f);P_PINS(G),SBLOCK,XR(D)::S(E)
      • S(e);SBLOCK,XR(D)::S(G)
      • S(h);P_PINS(E),XP(A)::QAR1(C)
      • S(h);P_PINS(E),SBLOCK,XR(D)::S(G)
      • Q(a);N_GUARD::QAR1(C),XQ(a)
      • S(h);P_PINS(E),S_CUTQ(a)::QAR1(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).