MESON Chess Problem Database

Problem Display
PID: 106196 (3Q2B1/5R2/8/1np4b/P1kP2NK/p4P2/PbPrP3/1R1NB3 w - - 0 1)

Pfeiffer, Mieczyslaw

Glos Pracy, 1955

3Q2B1/5R2/8/1np4b/P1kP2NK/p4P2/PbPrP3/1R1NB3

#2

14 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd1
      • 2.Se3#
      • 2.Se5#
    • 1...Rxc2
      • 2.Sde3#
      • 2.Sge3#
      • 2.Se5#
    • 1...Rd3
      • 2.Se5#
      • 2.cxd3#
      • 2.exd3#
    • 1...Rxd4
      • 2.Se3#
    • 1...Ba1
      • 2.Sge3#
      • 2.Se5#
    • 1...Bc1
      • 2.Sge3#
      • 2.Se5#
    • 1...Bc3
      • 2.Sde3#
      • 2.Sge3#
      • 2.Se5#
  • Tries
    • 1.Ra7+?
      • 1...Kb4
        • 2.Qa5#
      • 1...Bf7!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qxc5#
      • 1...Kb4
        • 2.Qxb5#
      • 1...Kxd4
        • 2.Rf4#
      • 1...Kd5
        • 2.Rd7#
      • 1...Rxd4
        • 2.Se3#
      • 1...Bxd4
        • 2.Qe6#
      • 1...Sxd4
        • 2.Sge3#
      • 1...cxd4
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(b);P_PINS(J),XP(I)::S(B)
  • Tries
    • Try
      • R(L);CHECK
      • Vars
        • K(d);P-FLIGHT,P_SPINB(a),P_SPINR(b)::QAB1(M)
      • Refutation
        • B(g);P_SPINB(g)
  • Actual
    • Q(M);
    • Threat
      • QAR1(M),XP(f)
    • Vars
      • K(d);P-FLIGHT,P_SPINB(a),P_SPINR(b),P_SPINS(e)::QAR1(M),XS(e)
      • K(d);P-FLIGHT,P_SPINP(f),XP(I)::R(L)
      • K(d);S_FLIGHT::B(N)+R(L),DCHECK
      • R(b);P_PINS(J),SBLOCK,XP(I)::S(B)
      • B(a);SBLOCK,XP(I)::QAB(M)
      • S(e);SBLOCK,XP(I)::S(J)
      • P(f);SBLOCK,XP(I)::QAB1(M),XS(e)
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).