MESON Chess Problem Database

Problem Display
PID: 149714 (8/b1q1p1B1/8/rn4RK/1N5p/1R1Q4/2p1P3/2k5 w - - 0 1)

Adabashev, Mark Ivanovich

Tijdschrift vd NSB, 1930

8/b1q1p1B1/8/rn4RK/1N5p/1R1Q4/2p1P3/2k5

#2

7 + 8

35 L'Italia Scacchistica 1930

SOLUTION

  • SOUND
  • Sets
    • 1...Qh2
      • 2.Qxc2#
    • 1...Qg3
      • 2.Qxc2#
    • 1...Qf4
      • 2.Qxc2#
    • 1...Qe5
      • 2.Qxc2#
    • 1...Qb6
      • 2.Qxc2#
    • 1...Qd6
      • 2.Qxc2#
    • 1...Qb8
      • 2.Qxc2#
    • 1...Qd8
      • 2.Qxc2#
    • 1...Qb7
      • 2.Qxc2#
    • 1...Qd7
      • 2.Qxc2#
    • 1...Ra2
      • 2.Sxa2#
    • 1...Bg1
      • 2.Rxg1#
    • 1...Bc5
      • 2.Qxc2#
    • 1...Bb8
      • 2.Rg1#
    • 1...Sa3
      • 2.Sa2#
    • 1...Sc3
      • 2.Qxc2#
  • Tries
    • 1.Bc3?
      • threat
        • 2.Qxc2#
        • 2.Qd2#
      • 1...Sxc3
        • 2.Qxc2#
      • 1...Qf4
        • 2.Qxc2#
      • 1...Qd6
        • 2.Qxc2#
      • 1...Qd8
        • 2.Qxc2#
      • 1...Qd7
        • 2.Qxc2#
      • 1...Ra2
        • 2.Sxa2#
        • 2.Qd2#
      • 1...Be3
        • 2.Qxc2#
      • 1...Sa3
        • 2.Sa2#
        • 2.Qd2#
      • 1...Sd4
        • 2.Qd2#
      • 1...Qxc3!
    • 1.Qe3+?
      • 1...Kd1
        • 2.Rg1#
      • 1...Bxe3!
  • Keys
    • 1.Bh6!
      • threat
        • 2.Rg1#
      • 1...Qg3
        • 2.Qxc2#
      • 1...Qf4
        • 2.Qxc2#
      • 1...Qe5
        • 2.Qxc2#
      • 1...Qc5
        • 2.Rxc5#
      • 1...Bg1
        • 2.Rxg1#
      • 1...Sa3
        • 2.Sa2#
      • 1...Sc3
        • 2.Qxc2#
      • 1...Sd4
        • 2.Re5#
      • 1...Sd6
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • Q(g);N_GUARD::QAR1(C),XP(b)
    • Q(g);N_GUARD,P_PINR(E)::QAR1(C),XP(b)
    • R(d);N_GUARD::S(D),XR(d)
    • B(f);N_GUARD::R(E),XB(f)
    • B(f);S_CUTQ(g)::QAR1(C),XP(b)
    • B(f);N_GUARD::R(E)
    • S(e);P_PINR(E),S_CUTR(d)::S(D)
    • S(e);P_PINR(E),S_CUTQ(g)::QAR1(C),XP(b)
  • Tries
    • Try
      • B(G);
      • Threat
        • DUALS(2)
      • Vars
        • S(e);P_PINR(E),XB(G)::QAR1(C),XP(b)
        • Q(g);::QAR1(C),XP(b)
        • B(f);::QAR1(C),XP(b)
        • S(e);P_PINR(E)::QAB1(C)
      • Refutation
        • Q(g);XB(G)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • B(f);XQ(C)
  • Actual
    • B(G);
    • Threat
      • B(G)+R(E),DCHECK
    • Vars
      • Q(g);N_GUARD::QAR1(C),XP(b)
      • Q(g);N_GUARD,P_PINR(E)::QAR1(C),XP(b)
      • Q(g);N_GUARD,P_PINR(E)::B(G)+R(E),XQ(g)
      • B(f);::B(G)+R(E),DCHECK,XB(f)
      • S(e);P_PINR(E),S_CUTR(d)::S(D)
      • S(e);P_PINR(E),S_CUTQ(g)::QAR1(C),XP(b)
      • S(e);P_PINR(E),S_CUTB(f)::B(G)+R(E)
      • S(e);P_PINR(E),S_CUTQ(g)::B(G)+R(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).