MESON Chess Problem Database

Problem Display
PID: 231363 (2B4n/B3R2K/2pp4/3k1pPQ/8/N1rb3N/4P1Pb/3R2n1 w - - 0 1)

Vesz, Tibor

Comm., Grantham Journal, 1927

2B4n/B3R2K/2pp4/3k1pPQ/8/N1rb3N/4P1Pb/3R2n1

#2

11 + 9

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Rxd3#
    • 1...Rc2
      • 2.Rxd3#
    • 1...Rc5
      • 2.Rxd3#
    • 1...Bf4
      • 2.Sxf4#
    • 1...Sxe2
      • 2.Qf3#
    • 1...Sf3
      • 2.Qxf3#
    • 1...Sxh3
      • 2.Qf3#
    • 1...Sf7
      • 2.Qxf7#
    • 1...f4+
      • 2.g6#
  • Tries
    • 1.Be6+?
      • 1...Ke5
        • 2.Ba2#
        • 2.Bb3#
        • 2.Bc4#
        • 2.Bf7#
        • 2.Bg8#
      • 1...Ke4!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qd4#
      • 1...fxg4+
        • 2.e4#
      • 1...f4+
        • 2.Qf5#
      • 1...Sxe2
        • 2.Qf3#
      • 1...c5
        • 2.Bb7#
      • 1...Rc4
        • 2.Qxc4#
      • 1...Rc5
        • 2.Rxd3#
      • 1...Bf4
        • 2.Sxf4#
      • 1...Be5
        • 2.Be6#
      • 1...Sf3
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • R(c);N_GUARD::R(A),XB(d)
    • B(b);N_GUARD::S(E),XB(b)
    • S(a);N_GUARD,XP(B)::QAB(G)
    • S(a);N_GUARD::QAB(G),XS(a)
    • S(a);N_GUARD,XS(E)::QAB(G)
    • S(i);N_GUARD::QAB(G),XS(i)
    • P(f);CHECK::QAR(G)+P(F)
  • Tries
    • Try
      • B(K);CHECK
      • Refutation
        • K(e);N_SPINB(d),S_FLIGHT
  • Actual
    • Q(G);
    • Threat
      • QAR1(G)
    • Vars
      • P(f);CHECK,N_GUARD,XQ(G)::P(B)
      • P(f);CHECK,S_CUTB(b)::QAR2(G)
      • S(a);N_GUARD,XP(B)::QAB(G)
      • P(g);OGATEB::B(K)
      • R(c);N_GUARD::QAB1(G),XR(c)
      • R(c);N_GUARD::R(A),XB(d)
      • B(b);N_GUARD::S(E),XB(b)
      • B(b);SBLOCK::B(K)
      • S(a);N_GUARD::QAB(G),XS(a)
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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).