MESON Chess Problem Database

Problem Display
PID: 240310 (8/K3p2B/2p3n1/p3PP1p/r3k1P1/p4R2/Q2PPP1q/BN1r3N w - - 0 1)

Maleika, Gerhard

Problem-Forum, 2004

8/K3p2B/2p3n1/p3PP1p/r3k1P1/p4R2/Q2PPP1q/BN1r3N

#2

13 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qg3
      • 2.Sxg3#
    • 1...Qxf2+
      • 2.Sxf2#
    • 1...Rxb1
      • 2.d3#
    • 1...Rc1
      • 2.d3#
    • 1...Re1
      • 2.d3#
    • 1...Rf1
      • 2.d3#
    • 1...Rg1
      • 2.d3#
    • 1...Rxh1
      • 2.d3#
    • 1...Rxd2
      • 2.Sxd2#
    • 1...Rc4
      • 2.Qxc4#
    • 1...Sf4
      • 2.Re3#
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qxc6#
      • 1...Qxf2+
        • 2.Sxf2#
      • 1...Qxe5
        • 2.Sg3#
      • 1...Rxd2
        • 2.Sxd2#
      • 1...Sxe5
        • 2.f6#
      • 1...Rc1
        • 2.d3#
      • 1...Rc4
        • 2.Qxc4#
      • 1...Rd4
        • 2.Sc3#
      • 1...Sf4
        • 2.Re3#
      • 1...c5
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • Q(b);N_GUARD::S(C),XQ(b)
    • Q(b);CHECK,XP(G)::S(C),XQ(b)
    • R(a);N_GUARD,XS(B)::P(E)
    • R(a);N_GUARD::P(E)
    • R(a);N_GUARD,XS(C)::P(E)
    • R(a);XP(E)::S(B),XR(a)
    • R(d);N_GUARD::QAR2(D),XR(d)
    • S(i);SBLOCK::R1(H)
  • Actual
    • Q(D);
    • Threat
      • QAB(D),XP(h)
    • Vars
      • Q(b);CHECK,XP(G)::S(C),XQ(b)
      • Q(b);N_GUARD,P_SPINQ(b),XP(J)::S(C)
      • R(a);XP(E)::S(B),XR(a)
      • S(i);P_SPINS(i),XP(J)::B(M)+P(K)
      • R(a);N_GUARD::P(E)
      • R(d);N_GUARD::QAR2(D),XR(d)
      • R(d);SBLOCK::S(B)
      • S(i);SBLOCK::R1(H)
      • P(h);::QAB(D)
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).