MESON Chess Problem Database

Problem Display
PID: 262802 (K3R3/6NQ/1p1PN1r1/1P1kb3/5PPn/BP1nq3/2P1P3/1B2R3 w - - 0 1)

Pituk, Alexander

1st HM., Szachy, 1952

K3R3/6NQ/1p1PN1r1/1P1kb3/5PPn/BP1nq3/2P1P3/1B2R3

#2

15 + 7

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.e4#
    • 1...Qg1
      • 2.e4#
    • 1...Qd2
      • 2.e4#
    • 1...Qf2
      • 2.e4#
    • 1...Qg3
      • 2.e4#
    • 1...Qh3
      • 2.e4#
    • 1...Rxg4
      • 2.c4#
    • 1...Rg5
      • 2.c4#
    • 1...Rf6
      • 2.c4#
    • 1...Rh6
      • 2.c4#
    • 1...Rxg7
      • 2.c4#
    • 1...Bd4
      • 2.Sc7#
    • 1...Sc1
      • 2.c4#
    • 1...Sxe1
      • 2.c4#
    • 1...Sf2
      • 2.c4#
    • 1...Sxf4
      • 2.c4#
  • Keys
    • 1.Sf5!
      • threat
        • 2.Qb7#
      • 1...Ke4
        • 2.Qb7#
      • 1...Bxf4
        • 2.Sc7#
      • 1...Qc5
        • 2.e4#
      • 1...Rg7
        • 2.Sxe3#
      • 1...Bg7
        • 2.Sc7#
      • 1...Sb4
        • 2.c4#
      • 1...Sc5
        • 2.c4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 15
  • Sets
    • Q(b);OGATE::P(D)
    • R(g);XP(H)::P(C)
    • R(g);::P(C)
    • R(g);XS(L)::P(C)
    • B(e);SBLOCK::S(K)
    • S(a);::P(C)
    • S(a);XR(B)::P(C)
    • S(a);XP(G)::P(C)
  • Actual
    • S(L);
    • Threat
      • QAB(M)
    • Vars
      • K(d);S_FLIGHT::QAB(M)
      • B(e);XP(G)::S(K)
      • Q(b);OGATE::P(D)
      • R(g);::S(L),XQ(b)
      • B(e);::S(K)
      • S(a);::P(C)
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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).