MESON Chess Problem Database

Problem Display
PID: 266095 (8/1bN5/4p1Kn/4k3/NQp1p3/2P5/3B1PB1/3R4 w - - 0 1)

Popa, Nicolae

Sachova skladba, 2022

8/1bN5/4p1Kn/4k3/NQp1p3/2P5/3B1PB1/3R4

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Qc5#
    • 1...Bc8
      • 2.Qc5#
  • Tries
    • 1.Kg5?
      • threat
        • 2.Bf4#
      • 1...e3
        • 2.f4#
      • 1...Sf7+!
    • 1.Sb6?
      • threat
        • 2.Sxc4#
        • 2.Sd7#
      • 1...Bd5
        • 2.Sd7#
      • 1...Ba6
        • 2.Sd7#
        • 2.Qc5#
      • 1...Bc6
        • 2.Sxc4#
      • 1...Bc8
        • 2.Sxc4#
        • 2.Qc5#
      • 1...e3!
    • 1.Qb6?
      • threat
        • 2.Qd4#
        • 2.Qxe6#
      • 1...Bc6
        • 2.Qd4#
      • 1...e3
        • 2.Qd4#
      • 1...Sf5
        • 2.Qxe6#
      • 1...Bc8
        • 2.Qd4#
        • 2.Qc5#
      • 1...Bd5!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Bf4#
      • 1...Kxd5
        • 2.Qc5#
      • 1...Bxd5
        • 2.Qb8#
      • 1...exd5
        • 2.Qe7#
      • 1...e3
        • 2.f4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(f);N_GUARD::QAR2(G)
  • Tries
    • Try
      • K(H);P-FLIGHT
      • Threat
        • B(B)
      • Vars
        • P(b);N_GUARD::P(C)
      • Refutation
        • S(e);CHECK
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(f);::S(F)
        • B(f);::S(F),XP(a)
      • Refutation
        • P(b);
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Vars
        • B(f);::QAB1(G)
        • P(b);::QAB1(G)
        • S(e);::QAR1(G),XP(d)
      • Refutation
        • B(f);
  • Actual
    • S(I);
    • Threat
      • B(B)
    • Vars
      • K(c);OGATEB,P-FLIGHT,P_SPINP(b),XS(I)::QAR1(G)
      • B(f);OGATE,SBLOCK,XS(I)::QAB(G)
      • P(d);OGATEB,SBLOCK,XS(I)::QAR2(G)
      • P(b);N_GUARD::P(C)
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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).