MESON Chess Problem Database

Problem Display
PID: 206164 (2B2R2/3p1N2/2p4p/n3PQp1/R1p2bP1/5k2/2P2P2/5K2 w - - 0 1)

Aleksandrov, Vladimir Aleksandrovich

Probleemblad, 2017

2B2R2/3p1N2/2p4p/n3PQp1/R1p2bP1/5k2/2P2P2/5K2

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...h5
      • 2.Sxg5#
  • Tries
    • 1.Bxd7?
      • 1...Sb3
        • 2.Bxc6#
      • 1...Sb7
        • 2.Bxc6#
      • 1...c3
        • 2.Qe4#
      • 1...h5
        • 2.Sxg5#
      • 1...c5!
    • 1.Ra3+?
      • 1...c3
        • 2.Rxc3#
      • 1...Sb3!
  • Keys
    • 1.Qxd7!
      • 1...Ke4
        • 2.Qd3#
      • 1...Bxe5
        • 2.Sxg5#
      • 1...Bc1
        • 2.Sxg5#
      • 1...Bd2
        • 2.Sxg5#
      • 1...Bh2
        • 2.Sxg5#
      • 1...Be3
        • 2.Sxg5#
      • 1...Bg3
        • 2.Sxg5#
      • 1...Sb3
        • 2.Qxc6#
      • 1...Sb7
        • 2.Qxc6#
      • 1...c3
        • 2.Qd1#
      • 1...c5
        • 2.Qd5#
      • 1...h5
        • 2.Sxg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • P(g);N_GUARD::S(H),XP(e)
  • Tries
    • Try
      • B(I);XP(h)
      • Vars
        • S(d);N_GUARD::B(I),XP(f)
        • P(b);::QAB1(G)
        • P(g);N_GUARD::S(H),XP(e)
      • Refutation
        • P(f);
    • Try
      • R(D);CHECK
      • Vars
        • P(b);P_SPINP(b)::R(D),XP(b)
      • Refutation
        • S(d);P_SPINS(d)
  • Actual
    • Q(G);N_PINB(c),XP(h)
    • Vars
      • K(a);P_SPINP(b),S_FLIGHT::QAB1(G)
      • B(c);XP(F)::R(J)+S(H),DCHECK,XP(e)
      • B(c);::R(J)+S(H),DCHECK,XP(e)
      • S(d);N_GUARD::QAB(G),XP(f)
      • P(b);::QAB(G)
      • P(f);N_GUARD::QAB(G)
      • P(g);N_GUARD::S(H),XP(e)
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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).