MESON Chess Problem Database

Problem Display
PID: 22065 (3B4/2rP2p1/3Qp1p1/r4k2/7p/3N1P1n/b1R1N1K1/bB6 w - - 0 1)

Weenink, Henri Gerard Maria

1st Prize, Budapesti Sakkor, 1924

3B4/2rP2p1/3Qp1p1/r4k2/7p/3N1P1n/b1R1N1K1/bB6

#2

9 + 10

16055 HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) 1932
785 Het Belgisch Schaakbord (L'Echiquier Belge) 1953
3098 FIDE Album (1914-1944) (I) 1971
102 Probleemblad 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Qf8#
    • 1...Rc3
      • 2.Sd4#
      • 2.Qf8#
    • 1...Bd4
      • 2.Sxd4#
    • 1...Sg1
      • 2.Qf4#
    • 1...Sf2
      • 2.Qf4#
    • 1...Sf4+
      • 2.Qxf4#
    • 1...Sg5
      • 2.Qf4#
  • Keys
    • 1.Sdf4!
      • threat
        • 2.Rc5#
      • 1...Sxf4+
        • 2.Qxf4#
      • 1...Rxc2
        • 2.Bxc2#
      • 1...Bxb1
        • 2.Qxe6#
      • 1...Rd5
        • 2.Qxe6#
      • 1...Rac5
        • 2.Rxc5#
      • 1...Re5
        • 2.Qf8#
      • 1...Rc3
        • 2.Sd4#
      • 1...Rc4
        • 2.Qxe6#
      • 1...Rcc5
        • 2.Rxc5#
      • 1...Bc3
        • 2.Rxa2#
      • 1...Be5
        • 2.Qd3#
      • 1...Bc4
        • 2.Rxc4#
      • 1...e5
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 4
  • Sets
    • R(e);S_CUTB(a)::QAR(G)
    • B(a);N_GUARD::S(C),XB(a)
    • S(c);N_GUARD::QAR1(G)
    • S(c);CHECK,N_GUARD::QAR1(G),XS(c)
  • Actual
    • S(E);
    • Threat
      • B(A)+R(B),DCHECK
    • Vars
      • S(c);CHECK,OGATE,XS(E)::QAR1(G),XS(c)
      • R(i);OGATE,P_PINS(C),P_SPINR(i),XR(B)::B(A),XR(i)
      • B(b);N_GUARD,XB(A)::QAB1(G),XP(g)
      • R(e);S_CUTB(b)::QAB1(G),XP(g)
      • R(e);::B(A)+R(B),DCHECK,XR(e)
      • R(e);SBLOCK,S_CUTB(a)::QAR(G)
      • R(i);S_CUTB(a)::S(C)
      • R(i);S_CUTB(b)::QAB1(G),XP(g)
      • R(i);::B(A)+R(B),DCHECK,XR(i)
      • B(a);S_CUTR(i)::B(A)+R(B),XB(b)
      • B(a);SBLOCK::QAB(G)
      • B(b);N_GUARD::B(A)+R(B),XB(b)
      • P(g);OGATE,SBLOCK::QAB1(G),XP(h)
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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).