MESON Chess Problem Database

Problem Display
PID: 72518 (b1Q2R2/r2p3K/1q3N2/2r2kp1/5Bp1/1Bn3P1/8/b4R2 w - - 0 1)

Rosenkilde, D Harry

Tijdschrift vd NSB, 1931

b1Q2R2/r2p3K/1q3N2/2r2kp1/5Bp1/1Bn3P1/8/b4R2

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rb7
      • 2.Bd6#
      • 2.Bc7#
      • 2.Bb8#
  • Tries
    • 1.Se4+?
      • 1...Qf6
        • 2.Sd6#
      • 1...Kxe4!
    • 1.Se8+?
      • 1...Qf6
        • 2.Sd6#
      • 1...Ke4!
    • 1.Qxd7+?
      • 1...Qe6
        • 2.Bxe6#
      • 1...Rxd7+!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qg6#
      • 1...d5+
        • 2.Bc7#
      • 1...d6+
        • 2.Sd7#
      • 1...Qxb3
        • 2.Sd5#
      • 1...gxf4
        • 2.Qh5#
      • 1...Rc4
        • 2.Qe5#
      • 1...Rd5
        • 2.Be3#
      • 1...Bd5
        • 2.Qe5#
      • 1...Sd5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • Q(g);P_SPINQ(g)::S(E)
      • Refutation
        • K(e);N_SPINP(i),S_FLIGHT,XS(E)
    • Try
      • S(E);CHECK
      • Vars
        • Q(g);P_SPINQ(g)::S(E)
      • Refutation
        • K(e);N_SPINP(i),S_FLIGHT
    • Try
      • Q(G);CHECK,P_SPINQ(G),XP(i)
      • Vars
        • Q(g);N_GUARD,P_SPINQ(g)::B(B),XQ(g)
      • Refutation
        • R(h);CHECK,XQ(G)
  • Actual
    • Q(G);N_PINP(i)
    • Threat
      • QAB1(G)
    • Vars
      • P(i);CHECK,S_CUTB(j)::R(A)+B(D)
      • P(i);CHECK,S_CUTQ(g)::R(H)+S(E)
      • Q(g);N_GUARD,XB(B)::R(H)+S(E)
      • P(f);OGATEB,P_SPINP(f),XB(D)::QAR2(G)
      • R(d);N_GUARD::QAR1(G)
      • R(d);S_CUTB(j)::R(A)+B(D)
      • B(j);S_CUTR(d)::QAR1(G)
      • S(b);N_GUARD,S_CUTB(j)::QAB1(G)
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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).