MESON Chess Problem Database

Problem Display
PID: 103757 (2B2K2/4N3/4pR2/2PPk1Bp/2pnq1n1/2P3pr/4QN2/7b w - - 0 1)

Satanovsky, Mikhail S

Variantim, 2005

2B2K2/4N3/4pR2/2PPk1Bp/2pnq1n1/2P3pr/4QN2/7b

#2

10 + 10

6490 yacpdb 2009
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Rxe6#
    • 1...Sxe2
      • 2.Rxe6#
    • 1...Sb3
      • 2.Rxe6#
    • 1...Sf3
      • 2.Rxe6#
      • 2.Qxe4#
    • 1...Sb5
      • 2.Rxe6#
    • 1...Sf5
      • 2.Rxe6#
    • 1...Sc6
      • 2.Rxe6#
    • 1...g2
      • 2.Qxe4#
    • 1...h4
      • 2.Sxg4#
    • 1...exd5
      • 2.Sg6#
  • Tries
    • 1.Bxe6?
      • threat
        • 2.Sg6#
      • 1...Sxe6+
        • 2.Rxe6#
      • 1...Sxe2
        • 2.Sc6#
      • 1...Se3!
  • Keys
    • 1.Qb2!
      • threat
        • 2.Qb8#
      • 1...Qxd5
        • 2.Sg6#
      • 1...Qb1
        • 2.cxd4#
      • 1...Sb3
        • 2.Rxe6#
      • 1...Sb5
        • 2.Rxe6#
      • 1...Sf5
        • 2.Rxe6#
      • 1...Sc6
        • 2.Rxe6#

Anticipated by 253051(1991)

This is a version of 67446

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • S(e);N_GUARD::R1(G),XP(j)
    • S(e);N_GUARD,N_SPINQ(f),XQ(A)::R1(G),XP(j)
    • P(b);S_CUTB(a)::QAR1(A),XQ(f)
    • P(i);N_GUARD::S(B),XS(g)
    • P(j);SBLOCK,XP(E)::S(H)
  • Tries
    • Try
      • B(I);XP(j)
      • Threat
        • S(H)
      • Vars
        • S(e);CHECK,OGATE,XB(I)::R1(G),XS(e)
        • S(e);N_GUARD,N_SPINQ(f),XQ(A)::S(H)
      • Refutation
        • S(g);N_SPINQ(f)
  • Actual
    • Q(A);N_PINQ(f)
    • Threat
      • QAB(A)
    • Vars
      • Q(f);N_GUARD,SBLOCK,XP(E)::S(H)
      • Q(f);N_GUARD::P(C),XS(e)
      • S(e);N_GUARD::R1(G),XP(j)
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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).