MESON Chess Problem Database

Problem Display
PID: 109321 (K2N2B1/1P3n2/p3pb1Q/3k2r1/1Pp3nR/2P2PB1/2N5/4rR2 w - - 0 1)

Sastri, PSS

The Hindu, 1929

K2N2B1/1P3n2/p3pb1Q/3k2r1/1Pp3nR/2P2PB1/2N5/4rR2

#2

12 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ree5
      • 2.Rd1#
    • 1...Rge5
      • 2.Qd2#
    • 1...Be5
      • 2.Qxe6#
    • 1...Sge5
      • 2.Rd4#
  • Keys
    • 1.b8Q!
      • threat
        • 2.Qb7#
      • 1...Sxd8
        • 2.Qd6#
      • 1...Ree5
        • 2.Rd1#
      • 1...Rge5
        • 2.Qd2#
      • 1...Be5
        • 2.Qxe6#
      • 1...Sge5
        • 2.Rd4#
      • 1...Sfe5
        • 2.Bxe6#
      • 1...Sd6
        • 2.Qxd6#
      • 1...e5
        • 2.Bxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(a);OGATE::R(A)
    • R(e);OGATE::QAR(H)
    • B(h);OGATE::QAB1(H),XP(g)
    • S(c);OGATE::R1(G)
  • Actual
    • P(I);
    • Threat
      • QAB(I)
    • Vars
      • S(i);N_GUARD,P_SPINP(g),XS(K)::QAR1(I)
      • R(a);OGATE::R(A)
      • R(e);OGATE::QAR(H)
      • B(h);OGATE::QAB1(H),XP(g)
      • S(c);OGATE::R1(G)
      • S(i);OGATE,P_SPINP(g)::B(L),XP(g)
      • S(i);N_GUARD,P_SPINP(g)::QAR1(I),XS(i)
      • P(g);OGATEB,P_SPINS(i)::B(L),XS(i)
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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).