MESON Chess Problem Database

Problem Display
PID: 6019 (3nRr2/K3p2q/R1bPkPp1/1Q2n2r/2p1N1p1/3pNp2/8/8 w - - 0 1)

ten Cate, Pieter

6th HM., Grantham Journal, 1926

3nRr2/K3p2q/R1bPkPp1/1Q2n2r/2p1N1p1/3pNp2/8/8

#2

8 + 13

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1956
3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Qg8
      • 2.Rxe7#
    • 1...Qh6
      • 2.Rxe7#
    • 1...Qh8
      • 2.Rxe7#
    • 1...Bd7
      • 2.Qd5#
    • 1...Sef7
      • 2.Rxe7#
    • 1...Sdf7
      • 2.Rxe7#
  • Keys
    • 1.dxe7!
      • threat
        • 2.Qd5#
      • 1...Qxe7+
        • 2.Rxe7#
      • 1...Kd7
        • 2.exd8Q#
      • 1...Kf7
        • 2.exf8Q#
        • 2.exf8R#
      • 1...Sd7
        • 2.exd8S#
      • 1...Sef7
        • 2.exf8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • Q(k);N_GUARD::R1(H),XP(j)
    • B(g);N_GUARD,SBLOCK::QAB1(C)
    • S(e);S_CUTQ(k)::R1(H),XP(j)
    • S(l);S_CUTQ(k)::R1(H),XP(j)
  • Actual
    • P(E);P_PINB(g),P_SPINP(E),XP(j)
    • Threat
      • QAB1(C)
    • Vars
      • Q(k);CHECK,OGATE,P_SPINQ(k),XP(E)::R1(H),XQ(k)
      • K(h);N_PINP(E),S_FLIGHT::PXS(l)=Q
      • K(h);N_PINP(E),N_SPINB(g),S_FLIGHT::PXR(m)=Q
      • S(e);N_PINP(E),SBLOCK::PXS(l)=S
      • S(e);N_PINP(E),SBLOCK::PXR(m)=S
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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).