MESON Chess Problem Database

Problem Display
PID: 255029 (8/3Q3K/8/2ppp3/1p1k1p2/1p3p2/1P3P2/2R1R3 w - - 0 1)

Maksimovskikh, Aleksandr

Sinfonie Scacchistiche, 1979

8/3Q3K/8/2ppp3/1p1k1p2/1p3p2/1P3P2/2R1R3

#2

6 + 8

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qxd5#
  • Tries
    • 1.Rc3?
      • 1...c4
        • 2.Qa7#
      • 1...e4
        • 2.Qg7#
      • 1...bxc3!
    • 1.Rc4+?
      • 1...Kd3
        • 2.Qxd5#
      • 1...Kxc4!
    • 1.Rxc5?
      • threat
        • 2.Qxd5#
      • 1...Kd3
        • 2.Qxd5#
      • 1...Kxc5!
    • 1.Re3?
      • 1...c4
        • 2.Qa7#
      • 1...e4
        • 2.Qg7#
      • 1...fxe3!
    • 1.Re4+?
      • 1...Kd3
        • 2.Qxd5#
      • 1...Kxe4!
    • 1.Rxe5?
      • threat
        • 2.Qxd5#
      • 1...Kd3
        • 2.Qxd5#
      • 1...Kxe5!
    • 1.Qc6?
      • 1...Kd3
        • 2.Qxd5#
      • 1...c4
        • 2.Rcd1#
      • 1...e4!
    • 1.Qe6?
      • 1...Kd3
        • 2.Qxd5#
      • 1...e4
        • 2.Red1#
      • 1...c4!
    • 1.Qc7?
      • 1...c4
        • 2.Rcd1#
      • 1...e4
        • 2.Red1#
      • 1...Kd3!
    • 1.Qe7?
      • 1...c4
        • 2.Rcd1#
      • 1...e4
        • 2.Red1#
      • 1...Kd3!
  • Keys
    • 1.Qd6!
      • 1...Kd3
        • 2.Qxd5#
      • 1...c4
        • 2.Rcd1#
      • 1...e4
        • 2.Red1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);N_GUARD,P-FLIGHT::QAR2(E),XP(g)
  • Tries
    • Try
      • R(A);
      • Vars
        • P(f);OGATEB::QAB(E)
        • P(h);OGATEB::QAB(E)
      • Refutation
        • P(c);XR(A)
    • Try
      • R(A);CHECK
      • Vars
        • K(d);N_GUARD,P-FLIGHT::QAR2(E),XP(g)
      • Refutation
        • K(d);N_SPINP(g),P-FLIGHT,XR(A)
    • Try
      • R(A);XP(f)
      • Threat
        • QAR1(E),XP(g)
      • Vars
        • K(d);P-FLIGHT::QAR2(E),XP(g)
      • Refutation
        • K(d);N_SPINP(g),S_FLIGHT,XR(A)
    • Try
      • R(B);
      • Vars
        • P(f);OGATEB::QAB(E)
        • P(h);OGATEB::QAB(E)
      • Refutation
        • P(e);XR(B)
    • Try
      • R(B);CHECK
      • Vars
        • K(d);N_GUARD,P-FLIGHT::QAR2(E),XP(g)
      • Refutation
        • K(d);N_SPINP(g),P-FLIGHT,XR(B)
    • Try
      • R(B);XP(h)
      • Threat
        • QAR1(E),XP(g)
      • Vars
        • K(d);P-FLIGHT::QAR2(E),XP(g)
      • Refutation
        • K(d);N_SPINP(g),S_FLIGHT,XR(B)
    • Try
      • Q(E);N_PINP(g)
      • Vars
        • K(d);N_GUARD,P-FLIGHT::QAR2(E),XP(g)
        • P(f);::R(A)
      • Refutation
        • P(h);
    • Try
      • Q(E);N_PINP(g)
      • Vars
        • K(d);N_GUARD,P-FLIGHT::QAR2(E),XP(g)
        • P(h);::R(B)
      • Refutation
        • P(f);
    • Try
      • Q(E);N_PINP(g)
      • Vars
        • P(f);::R(A)
        • P(h);SBLOCK::R(B)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(E);N_PINP(g)
      • Vars
        • P(f);SBLOCK::R(A)
        • P(h);::R(B)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(d);N_GUARD,P-FLIGHT::QAR2(E),XP(g)
      • P(f);SBLOCK::R(A)
      • P(h);SBLOCK::R(B)
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).