MESON Chess Problem Database

Problem Display
PID: 229175 (5KN1/1p1pBRpr/6kp/2R5/2B1bp2/2n4p/8/1Q6 w - - 0 1)

Hertmann, Sandor

Magyar Sakkvilag, 1926

5KN1/1p1pBRpr/6kp/2R5/2B1bp2/2n4p/8/1Q6

#2

7 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rh8
      • 2.Rxg7#
    • 1...Bc2
      • 2.Qg1#
    • 1...Bd3
      • 2.Qg1#
    • 1...Bf5
      • 2.Qxf5#
    • 1...Sd1
      • 2.Qxe4#
    • 1...Sa2
      • 2.Qxe4#
    • 1...Se2
      • 2.Qxe4#
    • 1...Sa4
      • 2.Qxe4#
    • 1...Sb5
      • 2.Qxe4#
    • 1...f3
      • 2.Qg1#
    • 1...h5
      • 2.Rg5#
  • Tries
    • 1.Qb6+?
      • 1...d6
        • 2.Qxd6#
      • 1...Bc6!
  • Keys
    • 1.Be2!
      • threat
        • 2.Bh5#
      • 1...Sxe2
        • 2.Qxe4#
      • 1...Rh8
        • 2.Rxg7#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Sd5
        • 2.Qxe4#
      • 1...f3
        • 2.Qg1#
      • 1...h5
        • 2.Rg5#
      • 1...d5
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(j);N_GUARD,P_PINS(G)::R1(E),XP(i)
    • B(c);N_GUARD::QAR(A)
    • B(c);OGATE::QAB1(A),XB(c)
    • S(a);N_GUARD::QAB(A),XB(c)
    • P(d);::QAR(A)
    • P(f);N_GUARD::R1(C)
  • Tries
    • Try
      • Q(A);CHECK,N_PINB(c)
      • Vars
        • P(h);P_SPINP(h)::QAR(A),XP(h)
      • Refutation
        • B(c);P_SPINB(c)
  • Actual
    • B(B);
    • Threat
      • B(B)
    • Vars
      • S(a);N_GUARD,XB(B)::QAB(A),XB(c)
      • R(j);N_GUARD,P_PINS(G)::R1(E),XP(i)
      • B(c);OGATE::QAB1(A),XB(c)
      • S(a);N_GUARD::QAB(A),XB(c)
      • P(d);::QAR(A)
      • P(f);N_GUARD::R1(C)
      • P(h);N_GUARD::QAR(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).