MESON Chess Problem Database

Problem Display
PID: 190076 (8/6K1/pp2RNn1/4b2B/2b5/Qp1pk1Pn/8/4B3 w - - 0 1)

Vesz, Tibor

Pesti Naplo, 1913

8/6K1/pp2RNn1/4b2B/2b5/Qp1pk1Pn/8/4B3

#2

7 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...b5
      • 2.Qc5#
  • Tries
    • 1.Rxe5+?
      • 1...Kd4
        • 2.Re4#
        • 2.Qb2#
      • 1...Sxe5!
    • 1.Qc1+?
      • 1...d2
        • 2.Qxd2#
      • 1...Kd4!
    • 1.Qd6?
      • threat
        • 2.Qxb6#
      • 1...d2
        • 2.Qxd2#
      • 1...b5
        • 2.Qc5#
        • 2.Qb6#
      • 1...Bxe6!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qxb6#
      • 1...Kd4
        • 2.Qxb6#
      • 1...Bxe6
        • 2.Qe4#
      • 1...d2
        • 2.Qxd2#
      • 1...Bb5
        • 2.Qe4#
      • 1...b5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(h);N_GUARD::QAB(B)
  • Tries
    • Try
      • R(E);CHECK,N_SPINS(F),XB(f)
      • Refutation
        • S(i);XR(E)
    • Try
      • Q(B);CHECK
      • Vars
        • P(b);P_SPINP(b)::QAB1(B),XP(b)
      • Refutation
        • K(c);N_SPINB(f),S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB(B),XP(h)
      • Vars
        • P(b);OGATE::QAB1(B),XP(b)
      • Refutation
        • B(e);N_SPINB(f),XR(E)
  • Actual
    • Q(B);
    • Threat
      • QAB(B),XP(h)
    • Vars
      • K(c);N_SPINB(f),P_SPINB(e),S_FLIGHT::QAB(B),XP(h)
      • B(e);N_SPINB(f),OGATE,XR(E)::QAR1(B)
      • P(b);::QAB1(B),XP(b)
      • B(e);OGATE::QAR1(B)
      • P(h);N_GUARD::QAB(B)
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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).