MESON Chess Problem Database

Problem Display
PID: 262746 (2KB1R2/3R1b1B/N2p4/2p1k3/Q3p1r1/2Np2q1/8/6b1 w - - 0 1)

Mladenovic, Miodrag

3rd Prize, SuperProblem, 2013

2KB1R2/3R1b1B/N2p4/2p1k3/Q3p1r1/2Np2q1/8/6b1

#2

8 + 9

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qxe4#
    • 1...Rg5
      • 2.Qxe4#
    • 1...Rg6
      • 2.Qxe4#
    • 1...Rg7
      • 2.Qxe4#
    • 1...Rg8
      • 2.Qxe4#
    • 1...Bh5
      • 2.Re7#
    • 1...Bg6
      • 2.Re7#
    • 1...Be8
      • 2.Re7#
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qxd6#
      • 1...Kd4
        • 2.Qxc5#
      • 1...Kf4
        • 2.Qxe4#
      • 1...Ke6
        • 2.Qd5#
      • 1...Rg6
        • 2.Qxe4#
      • 1...Bd5
        • 2.Qxd5#
      • 1...d5
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • K(g);P_SPINB(i),P_SPINP(d),S_CUTR(e),S_FLIGHT::QAR1(B),XP(d)
    • R(e);N_GUARD::QAR1(B),XP(d)
    • B(i);N_GUARD::R(D)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B),XP(h)
    • Vars
      • K(g);N_GUARD,P_SPINP(h),S_CUTB(a),S_CUTB(i),S_FLIGHT::QAB1(B),XP(f)
      • K(g);P_SPINB(i),S_CUTR(e),S_FLIGHT::QAR1(B),XP(d)
      • K(g);N_GUARD,P-FLIGHT,P_SPINP(h),S_CUTB(i)::QAB1(B)
      • R(e);N_GUARD::QAR1(B),XP(d)
      • B(i);N_GUARD::QAR1(B),XB(i)
      • P(h);OGATE::QAB1(B)
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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).