MESON Chess Problem Database

Problem Display
PID: 189532 (1b5B/3K4/2PP4/P3P1Q1/1p1kN1p1/1P3P2/2r1p3/4r2n w - - 0 1)

Nagy, Odon

2nd Prize, Budapesti Sakkor, 1911

1b5B/3K4/2PP4/P3P1Q1/1p1kN1p1/1P3P2/2r1p3/4r2n

#2

10 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.e6#
    • 1...Rc1
      • 2.Qd2#
    • 1...Rd2
      • 2.Qxd2#
    • 1...Rc4
      • 2.Qd2#
    • 1...Rc5
      • 2.Qd2#
    • 1...Rxc6
      • 2.Qd2#
  • Tries
    • 1.Qe3+?
      • 1...Kd5
        • 2.Sf6#
        • 2.Qd3#
      • 1...Kxe3!
  • Keys
    • 1.Sc5!
      • threat
        • 2.e6#
      • 1...Kc3
        • 2.e6#
      • 1...Kxc5
        • 2.e6#
      • 1...Kd5
        • 2.e6#
      • 1...Rxc5
        • 2.Qd2#
      • 1...Bxd6
        • 2.exd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • K(f);P-FLIGHT::QAR(F)+P(E)
    • R(c);N_GUARD::QAR2(F)
    • R(c);N_GUARD::QAR2(F),XR(c)
    • R(c);N_GUARD,XP(G)::QAR2(F)
  • Tries
    • Try
      • Q(F);CHECK
      • Refutation
        • K(f);S_FLIGHT,XQ(F)
  • Actual
    • S(C);
    • Threat
      • B(J)+P(E)
    • Vars
      • K(f);S_FLIGHT::B(J)+P(E)
      • K(f);S_FLIGHT,XS(C)::QAR(F)+P(E)
      • K(f);P-FLIGHT::QAR(F)+P(E)
      • R(c);N_GUARD,SBLOCK,XS(C)::QAR2(F)
      • B(h);OGATE,XP(H)::B(J)+P(E),XB(h)
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).