MESON Chess Problem Database

Problem Display
PID: 194979 (2n1N1n1/3ppp2/2p1r1p1/4k3/4p3/2P1Q1P1/2K3R1/8 w - - 0 1)

Massmann, Wilhelm Karl Heinrich

Deutsche Schachblatter, 1918

2n1N1n1/3ppp2/2p1r1p1/4k3/4p3/2P1Q1P1/2K3R1/8

#2

6 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qd4#
    • 1...Kf5
      • 2.Qf4#
    • 1...Sd6
      • 2.Qc5#
    • 1...Sf6
      • 2.Qg5#
    • 1...d5
      • 2.Qf4#
    • 1...f5
      • 2.Qd4#
  • Keys
    • 1.Re2!
      • threat
        • 2.Qxe4#
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf5
        • 2.Qf4#
      • 1...Sd6
        • 2.Qc5#
      • 1...Sf6
        • 2.Qg5#
      • 1...d5
        • 2.Qf4#
      • 1...f5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINP(a),P-FLIGHT::QAR1(D)
    • S(i);S_CUTP(f)::QAR2(D)
    • S(j);S_CUTP(h)::QAR2(D)
    • P(f);SBLOCK::QAB1(D)
    • P(h);SBLOCK::QAB1(D)
  • Actual
    • R(B);
    • Threat
      • QAR1(D),XP(a)
    • Vars
      • K(b);N_SPINP(a),P-FLIGHT::QAR1(D)
      • S(i);S_CUTP(f)::QAR2(D)
      • S(j);S_CUTP(h)::QAR2(D)
      • P(f);SBLOCK::QAB1(D)
      • P(h);SBLOCK::QAB1(D)
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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).