MESON Chess Problem Database

Problem Display
PID: 189891 (8/3p1B2/1Q1ppR2/1Rr1k3/1Np2p2/2P2P2/3K4/8 w - - 0 1)

Ehrmann, Mano

Pesti Naplo, 1912

8/3p1B2/1Q1ppR2/1Rr1k3/1Np2p2/2P2P2/3K4/8

#2

8 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb5
      • 2.Qd4#
    • 1...Rd5+
      • 2.Qd4#
  • Keys
    • 1.Sd5!
      • 1...Rxd5+
        • 2.Qd4#
      • 1...Kxd5
        • 2.Rf5#
      • 1...Rxb5
        • 2.Qd4#
      • 1...exd5
        • 2.Qxd6#
      • 1...Rc6
        • 2.Qd4#
      • 1...Rc7
        • 2.Qd4#
      • 1...Rc8
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(c);N_SPINR(c),OGATE,XR(E)::QAB1(F)
    • R(c);CHECK,OGATE::QAB1(F)
  • Actual
    • S(D);N_PINR(c)
    • Vars
      • R(c);CHECK,OGATE,P_SPINR(c),XS(D)::QAB1(F)
      • K(d);P-FLIGHT,P_SPINP(f),P_SPINR(c),XS(D)::R(G)
      • R(c);OGATE,XR(E)::QAB1(F)
      • P(f);XS(D)::QAB1(F),XP(e)
      • R(c);OGATE::QAB1(F)
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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).