MESON Chess Problem Database

Problem Display
PID: 274560 (1R1B4/3NPp2/pPkp4/3p2Qr/2q2pB1/N1RP3p/8/3K4 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Pat a Mat, 2023

1R1B4/3NPp2/pPkp4/3p2Qr/2q2pB1/N1RP3p/8/3K4

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...d4
      • 2.Rxc4#
  • Keys
    • 1.Sc5!
      • threat
        • 2.Rc8#
      • 1...Qb3+
        • 2.Sxb3#
      • 1...Qxd3+
        • 2.Sxd3#
      • 1...Qa4+
        • 2.Sxa4#
      • 1...Kxc5
        • 2.Rxc4#
      • 1...Qxc5
        • 2.e8Q#
        • 2.e8B#
      • 1...dxc5
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • P(d);N_GUARD::R(C),XQ(b)
  • Actual
    • S(H);N_PINQ(b)
    • Threat
      • R(J)
    • Vars
      • Q(b);CHECK::R(C)+S(H),XQ(b)
      • Q(b);CHECK,XP(D)::R(C)+S(H),XQ(b)
      • K(g);OGATEB,P-FLIGHT,P_SPINP(d),P_SPINQ(b),XS(H)::R1(C),XQ(b)
      • Q(b);P_SPINQ(b),XS(H)::P=Q
      • P(h);OGATEB,SBLOCK,XS(H)::QAR(F)
HTML5 logo

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).