MESON Chess Problem Database

Problem Display
PID: 198816 (3nQB2/Kp1P3r/n1p3Rp/1N1kp1q1/br4pp/bp1BpP2/4P3/3R1N2 w - - 0 1)

Vesz, Tibor

7/8 Prize, Budapesti Sakkor, 1921

3nQB2/Kp1P3r/n1p3Rp/1N1kp1q1/br4pp/bp1BpP2/4P3/3R1N2

#2

11 + 16

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Qf6
      • 2.Sxe3#
    • 1...Qf5
      • 2.Sxe3#
    • 1...Qh5
      • 2.Sxe3#
    • 1...Qxg6
      • 2.Sxe3#
    • 1...Rc4
      • 2.Be4#
    • 1...Rd4
      • 2.Sc3#
    • 1...Re4
      • 2.fxe4#
    • 1...Rf4
      • 2.Sxe3#
    • 1...Rxb5
      • 2.Bxb5#
    • 1...Rxd7
      • 2.Qxd7#
    • 1...Sc5
      • 2.Rd6#
    • 1...Se6
      • 2.Qxe6#
    • 1...Sf7
      • 2.Qe6#
    • 1...c5
      • 2.Rd6#
  • Keys
    • 1.Kb6!
      • threat
        • 2.Rd6#
      • 1...Rxb5+
        • 2.Bxb5#
      • 1...Qxg6
        • 2.Sxe3#
      • 1...Rxd7
        • 2.Qxd7#
      • 1...Qf6
        • 2.Sxe3#
      • 1...Qe7
        • 2.Sxe3#
      • 1...Rc4
        • 2.Be4#
      • 1...Rd4
        • 2.Sc3#
      • 1...Re4
        • 2.fxe4#
      • 1...Rf4
        • 2.Sxe3#
      • 1...Se6
        • 2.Qxe6#
      • 1...Sf7
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • Q(j);N_GUARD::S(B),XP(c)
    • Q(j);N_GUARD,XR(G)::S(B),XP(c)
    • R(e);SBLOCK::R(A)+B(D),DCHECK
    • R(e);SBLOCK::S(F)
    • R(e);OGATE::P(E),XR(e)
    • R(e);S_CUTQ(j)::S(B),XP(c)
    • R(e);OGATE,XS(F)::R(A)+B(D),XR(e)
    • R(o);OGATE,XP(I)::QAR2(J),XR(o)
    • S(k);SBLOCK::R1(G)
    • S(p);N_GUARD::QAB1(J),XS(p)
    • S(p);N_GUARD::QAB1(J)
    • P(l);SBLOCK::R1(G)
  • Actual
    • K(H);P_SPINS(F),S_FLIGHT
    • Threat
      • R1(G)
    • Vars
      • R(e);CHECK,OGATE,XS(F)::R(A)+B(D),XR(e)
      • Q(j);N_GUARD,XR(G)::S(B),XP(c)
      • R(o);OGATE,XP(I)::QAR2(J),XR(o)
      • Q(j);N_GUARD::S(B),XP(c)
      • R(e);N_PINS(F),SBLOCK::R(A)+B(D),DCHECK
      • R(e);N_PINS(F),SBLOCK::S(F)
      • R(e);N_PINS(F),OGATE::P(E),XR(e)
      • R(e);N_PINS(F),S_CUTQ(j)::S(B),XP(c)
      • S(p);N_GUARD::QAB1(J),XS(p)
      • S(p);N_GUARD::QAB1(J)
HTML5 logo

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).