MESON Chess Problem Database

Problem Display
PID: 104419 (2N2K2/1p3pp1/6qQ/NPkP4/7r/2P3p1/8/1RBR2b1 w - - 0 1)

Mladenovic, Miodrag

Mladenovic, Slobodan

Variantim, 1989

2N2K2/1p3pp1/6qQ/NPkP4/7r/2P3p1/8/1RBR2b1

#2

10 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb1
      • 2.Qb6#
    • 1...Qc2
      • 2.Qb6#
      • 2.Qd6#
    • 1...Qd3
      • 2.Qd6#
    • 1...Qe4
      • 2.Qb6#
      • 2.Qd6#
    • 1...Qf5
      • 2.Qb6#
      • 2.Qd6#
    • 1...Qh5
      • 2.Qb6#
      • 2.Qd6#
    • 1...Qh7
      • 2.Qb6#
      • 2.Qd6#
    • 1...Qg4
      • 2.Qb6#
      • 2.Qd6#
    • 1...Qg5
      • 2.Qb6#
      • 2.Qd6#
    • 1...Qb6
      • 2.Qxb6#
    • 1...Qd6+
      • 2.Qxd6#
    • 1...Rh1
      • 2.Ba3#
    • 1...Rh2
      • 2.Ba3#
    • 1...Rh3
      • 2.Ba3#
    • 1...Rc4
      • 2.Sxb7#
    • 1...Rh5
      • 2.Ba3#
    • 1...Rxh6
      • 2.Ba3#
  • Keys
    • 1.c4!
      • threat
        • 2.Ba3#
      • 1...Qd6+
        • 2.Qxd6#
      • 1...Qxb1
        • 2.Qd6#
      • 1...Rxc4
        • 2.Sxb7#
      • 1...Qd3
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • Q(e);OGATE,XR(A)::QAB1(H)
    • Q(e);OGATE::QAB1(H)
    • Q(e);OGATE::QAB1(H),XQ(e)
    • Q(e);CHECK,OGATE::QAB1(H),XQ(e)
    • R(c);N_GUARD::B(B)
    • R(c);SBLOCK::S(E),XP(f)
    • R(c);N_GUARD,XQ(H)::B(B)
  • Actual
    • P(D);
    • Threat
      • B(B)
    • Vars
      • Q(e);CHECK,OGATE::QAB1(H),XQ(e)
      • Q(e);OGATE,XR(A)::QAB1(H)
      • R(c);SBLOCK,XP(D)::S(E),XP(f)
      • Q(e);OGATE::QAB1(H)
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).