MESON Chess Problem Database

Problem Display
PID: 157945 (8/4n3/4K3/2kB4/3R4/3Qb3/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Minimat, 1986

8/4n3/4K3/2kB4/3R4/3Qb3/8/8

#2

4 + 3

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Rb4?
      • threat
        • 2.Rb5#
        • 2.Qc4#
        • 2.Qb5#
        • 2.Qc3#
      • 1...Sxd5
        • 2.Qc4#
        • 2.Qb5#
      • 1...Bd2
        • 2.Rb5#
        • 2.Qc4#
        • 2.Qb5#
        • 2.Qd4#
      • 1...Bd4
        • 2.Rb5#
        • 2.Qc4#
        • 2.Qb5#
        • 2.Qxd4#
      • 1...Kxb4!
    • 1.Qb5+?
      • 1...Kxd4
        • 2.Qc4#
      • 1...Kxb5!
    • 1.Qb3?
      • threat
        • 2.Rc4#
        • 2.Qb4#
      • 1...Kxd4
        • 2.Qc4#
      • 1...Sxd5
        • 2.Rc4#
      • 1...Bd2
        • 2.Rc4#
      • 1...Sc6
        • 2.Rc4#
      • 1...Bxd4!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Rc4#
      • 1...Kxd4
        • 2.Qc4#
      • 1...Bxd4
        • 2.Qa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • DUALS(4)
      • Refutation
        • K(b);S_FLIGHT,XR(B)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT,XR(B)::QAR1(A)
      • Refutation
        • K(b);P-FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);S_FLIGHT,XR(B)::QAR1(A)
        • S(c);XB(C)::R1(B)
        • B(a);::R1(B)
        • S(c);::R1(B)
      • Refutation
        • B(a);XR(B)
  • Actual
    • Q(A);
    • Threat
      • R1(B)
    • Vars
      • K(b);S_FLIGHT,XR(B)::QAR1(A)
      • B(a);SBLOCK,XR(B)::QAR2(A)
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).