MESON Chess Problem Database

Problem Display
PID: 179437 (qb2r3/p2B4/3n4/2Bk4/Q1RP2R1/1bpNp3/r1NnK3/8 w - - 0 1)

Adabashev, Mark Ivanovich

5th Prize, 64 Shakhmatnoe obozrenie TT, 1936

qb2r3/p2B4/3n4/2Bk4/Q1RP2R1/1bpNp3/r1NnK3/8

#2

9 + 11

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rc8
      • 2.Sxe3#
    • 1...Rd8
      • 2.Sxe3#
    • 1...Rf8
      • 2.Sxe3#
    • 1...Rg8
      • 2.Sxe3#
    • 1...Rh8
      • 2.Sxe3#
    • 1...Bxc4
      • 2.Sb4#
    • 1...S2xc4
      • 2.Sb4#
    • 1...S2e4
      • 2.Sf4#
    • 1...S6xc4
      • 2.Scb4#
      • 2.Sdb4#
    • 1...S6e4
      • 2.Sxe3#
  • Keys
    • 1.Ba3!
      • threat
        • 2.Rc5#
      • 1...Bxc4
        • 2.Sb4#
      • 1...S2xc4
        • 2.Sb4#
      • 1...S6xc4
        • 2.Qb5#
      • 1...Qc6
        • 2.Qxc6#
      • 1...Rc8
        • 2.Sxe3#
      • 1...S2e4
        • 2.Sf4#
      • 1...S6e4
        • 2.Sxe3#
      • 1...Sb5
        • 2.Qxb5#
      • 1...Sf5
        • 2.Qb5#
      • 1...Sb7
        • 2.Qc6#
      • 1...Sf7
        • 2.Qb5#
      • 1...Sc8
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 4
  • Sets
    • R(k);N_GUARD::S(A),XP(e)
    • B(c);P_PINS(C),SBLOCK,XR(E)::S(A)
    • S(b);P_PINS(A),SBLOCK,XR(E)::S(C)
    • S(b);P_PINS(A),SBLOCK::S(C)
    • S(g);S_CUTR(k)::S(A),XP(e)
  • Actual
    • B(H);
    • Threat
      • R1(E)
    • Vars
      • B(c);P_PINS(C),SBLOCK,XR(E)::S(A)
      • S(b);P_PINS(A),SBLOCK,XR(E)::S(C)
      • S(g);N_GUARD,XR(E)::QAR2(D)
      • Q(i);N_GUARD::QAB1(D),XQ(i)
      • R(k);N_GUARD::S(A),XP(e)
      • S(b);P_PINS(A),SBLOCK::S(C)
      • S(g);S_CUTR(k)::S(A),XP(e)
      • S(g);N_GUARD::QAR2(D),XS(g)
      • S(g);N_GUARD::QAR2(D)
      • S(g);S_CUTQ(i)::QAB1(D)
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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).