MESON Chess Problem Database

Problem Display
PID: 202536 (1N6/1n6/r1BB2K1/1P2RPp1/3k4/1Q2qp2/3r1p2/b3Nb2 w - - 0 1)

Regos, Imre

Nepszava, 1923

1N6/1n6/r1BB2K1/1P2RPp1/3k4/1Q2qp2/3r1p2/b3Nb2

#2

9 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qc3
      • 2.Re4#
      • 2.Qd5#
    • 1...Qe4
      • 2.Rxe4#
    • 1...Qxe5
      • 2.Sxf3#
    • 1...Rd1
      • 2.Sc2#
    • 1...Rc2
      • 2.Sxc2#
    • 1...Re2
      • 2.Qb4#
    • 1...Rd3
      • 2.Sc2#
      • 2.Qb4#
    • 1...Rxc6
      • 2.Sxc6#
    • 1...Bc3
      • 2.Qd5#
    • 1...Bg2
      • 2.Qb4#
    • 1...Bh3
      • 2.Qb4#
    • 1...Bc4
      • 2.Qxe3#
  • Tries
    • 1.Bc5+?
      • 1...Kxe5
        • 2.Qxe3#
      • 1...Sxc5!
  • Keys
    • 1.Bb4!
      • threat
        • 2.Qd5#
      • 1...Rxc6+
        • 2.Sxc6#
      • 1...Kxe5
        • 2.Qxe3#
      • 1...Qxb3
        • 2.Re4#
      • 1...Qxe5
        • 2.Sxf3#
      • 1...Qe4
        • 2.Rxe4#
      • 1...Bc4
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • Q(e);N_GUARD,P_PINP(E)::R1(D),XQ(e)
    • Q(e);N_GUARD,XR(D)::S(A),XP(f)
    • R(c);N_GUARD::S(A)
    • R(c);N_GUARD::S(A),XR(c)
    • R(c);S_CUTB(b)::QAR2(B)
    • R(i);P_PINB(G),XB(F)::S(I),XR(i)
    • B(a);SBLOCK::QAR1(B)
    • B(b);N_GUARD::QAR2(B)
    • B(b);SBLOCK::QAB1(B),XQ(e)
  • Tries
    • Try
      • B(G);CHECK,P_SPINB(F)
      • Vars
        • K(g);S_FLIGHT,XR(D)::QAR2(B),XQ(e)
      • Refutation
        • S(j);XB(G)
  • Actual
    • B(G);P_SPINB(F)
    • Threat
      • QAR1(B)
    • Vars
      • R(i);CHECK,XB(F)::S(I),XR(i)
      • K(g);S_FLIGHT,XR(D)::QAR2(B),XQ(e)
      • Q(e);N_GUARD,XQ(B)::R1(D)
      • Q(e);N_GUARD,XR(D)::S(A),XP(f)
      • Q(e);N_GUARD,P_PINP(E)::R1(D),XQ(e)
      • B(b);SBLOCK::QAB1(B),XQ(e)
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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).