MESON Chess Problem Database

Problem Display
PID: 215517 (3r2b1/6n1/1RP5/qNB1R3/p1k5/3p1B2/2rpN2K/1Qb5 w - - 0 1)

Ianovcic, Anatole Felix

Funkschach, 1926

3r2b1/6n1/1RP5/qNB1R3/p1k5/3p1B2/2rpN2K/1Qb5

#2

9 + 10

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qb4
      • 2.Qxb4#
    • 1...Qxb6
      • 2.Qb4#
    • 1...Qxb5
      • 2.Qxb5#
    • 1...Qa6
      • 2.Qb4#
    • 1...Qa7
      • 2.Qb4#
    • 1...Qa8
      • 2.Qb4#
    • 1...Ra2
      • 2.Qxa2#
    • 1...Rb2
      • 2.Sa3#
    • 1...Rd6
      • 2.Sxd6#
    • 1...Ra8
      • 2.Sd6#
    • 1...Rb8
      • 2.Sd6#
    • 1...Rc8
      • 2.Sd6#
    • 1...Re8
      • 2.Sd6#
    • 1...Rf8
      • 2.Sd6#
    • 1...Bb2
      • 2.Qa2#
    • 1...Ba3
      • 2.Sxa3#
  • Tries
    • 1.Qxc2+?
      • 1...Qc3
        • 2.Qxc3#
      • 1...dxc2!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Rc5#
      • 1...Qxb6
        • 2.Qb4#
      • 1...Qxb5
        • 2.Qxb5#
      • 1...Rxd6
        • 2.Sxd6#
      • 1...dxe2
        • 2.Bxe2#
      • 1...Rb2
        • 2.Sa3#
      • 1...Bb2
        • 2.Qa2#
      • 1...Qb4
        • 2.Qxb4#
      • 1...Ba3
        • 2.Sxa3#
      • 1...Bd5
        • 2.Bxd5#
      • 1...Se6
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • Q(g);N_GUARD::QAR1(A),XQ(g)
    • Q(g);N_GUARD,XR(H)::QAR1(A)
    • Q(g);OGATE,XS(E)::QAB1(A),XQ(g)
    • Q(g);N_GUARD::QAR1(A)
    • R(b);N_GUARD::QAB(A),XR(b)
    • R(b);S_CUTB(a)::S(E)
    • R(i);N_GUARD::S(E),XR(i)
    • R(i);N_GUARD::S(E)
    • B(a);S_CUTR(b)::QAB(A)
    • B(a);N_GUARD::S(E),XB(a)
  • Tries
    • Try
      • Q(A);CHECK,XR(b)
      • Vars
        • Q(g);N_GUARD,P_SPINQ(g)::QAR1(A),XQ(g)
      • Refutation
        • P(d);XQ(A)
  • Actual
    • B(F);
    • Threat
      • R1(G)
    • Vars
      • Q(g);N_GUARD,XR(H)::QAR1(A)
      • Q(g);OGATE,XS(E)::QAB1(A),XQ(g)
      • R(i);XB(F)::S(E),XR(i)
      • P(d);OGATE,XS(B)::B(D),XP(d)
      • R(b);S_CUTB(a)::S(E)
      • B(a);S_CUTR(b)::QAB(A)
      • Q(g);N_GUARD::QAR1(A),XQ(g)
      • B(a);N_GUARD::S(E),XB(a)
      • B(j);N_GUARD::B(D),XB(j)
      • S(h);S_CUTB(j)::B(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).