MESON Chess Problem Database

Problem Display
PID: 202361 (B4N2/1Np1p3/p1k1bbRr/K2p2r1/1P6/7p/1p6/3R3Q w - - 0 1)

Pasqualini, Giulio

L'Alfiere di Re, 1923

B4N2/1Np1p3/p1k1bbRr/K2p2r1/1P6/7p/1p6/3R3Q

#2

8 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Qxd5#
    • 1...Be5
      • 2.Qxd5#
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qxe6#
      • 1...dxe4+
        • 2.Sc5#
      • 1...Re5
        • 2.Qc2#
      • 1...Bg4
        • 2.Qc2#
      • 1...Bf5
        • 2.Qxd5#
      • 1...Bd7
        • 2.Qc2#
      • 1...Bf7
        • 2.Qc2#
      • 1...Bc8
        • 2.Qc2#
      • 1...Bg8
        • 2.Qc2#
      • 1...Be5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(g);N_GUARD,P_SPINB(h),S_CUTR(d)::QAB1(B),XP(c)
    • B(h);P_SPINB(g),S_CUTR(d)::QAB1(B),XP(c)
  • Actual
    • Q(B);
    • Threat
      • QAR2(B),XB(g)
    • Vars
      • P(c);CHECK,N_SPINP(c),XQ(B)::B(G)+S(F)
      • R(d);S_CUTB(h)::QAR(B)
      • B(g);P_SPINB(h)::QAR(B)
      • B(g);N_GUARD,P_SPINB(h),S_CUTR(d)::QAB1(B),XP(c)
      • B(h);P_SPINB(g),S_CUTR(d)::QAB1(B),XP(c)
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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).