MESON Chess Problem Database

Problem Display
PID: 98965 (2r1r1q1/2np1bn1/8/1p3pB1/1Q4N1/3kp3/3p4/R2B2K1 w - - 0 1)

Ageev, Gennadi Mikhailovich

Etmishev, Eduard Artemevich

Magyar Sakkelet, 1988

2r1r1q1/2np1bn1/8/1p3pB1/1Q4N1/3kp3/3p4/R2B2K1

#2

6 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Sxe5#
    • 1...Re6
      • 2.Ra3#
    • 1...Rd8
      • 2.Se5#
    • 1...Rf8
      • 2.Se5#
    • 1...Be6
      • 2.Se5#
    • 1...Sce6
      • 2.Se5#
    • 1...Sge6
      • 2.Se5#
      • 2.Ra3#
    • 1...e2
      • 2.Sf2#
    • 1...d5
      • 2.Ra3#
  • Tries
    • 1.Qc3+?
      • 1...Ke4
        • 2.Sf6#
      • 1...Kxc3!
  • Keys
    • 1.Bf6!
      • threat
        • 2.Qd4#
      • 1...Bc4
        • 2.Qb1#
      • 1...Re4
        • 2.Qc3#
      • 1...Re5
        • 2.Sxe5#
      • 1...Sce6
        • 2.Se5#
      • 1...Sge6
        • 2.Ra3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(k);N_GUARD::S(E),XR(k)
    • R(k);S_CUTB(h)::R(A)
    • R(k);N_GUARD::S(E)
    • B(h);S_CUTR(k)::S(E)
    • S(f);S_CUTR(k)::S(E)
    • P(c);N_GUARD::S(E)
    • P(g);S_CUTB(h)::R(A)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);S_FLIGHT::S(E)
      • Refutation
        • K(b);P-FLIGHT,XQ(D)
  • Actual
    • B(F);
    • Threat
      • QAR1(D)
    • Vars
      • B(h);SBLOCK::QAB(D)
      • R(k);SBLOCK::QAR1(D)
      • R(k);N_GUARD::S(E),XR(k)
      • S(f);S_CUTR(k)::S(E)
      • S(i);P_PINS(E),S_CUTB(h)::R(A)
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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).