MESON Chess Problem Database

Problem Display
PID: 199456 (8/8/B1p1Q1p1/2P1p1p1/8/3RpkP1/7B/5K2 w - - 0 1)

Surkov, Ruslan Albertovich

Sachova skladba, 1998

8/8/B1p1Q1p1/2P1p1p1/8/3RpkP1/7B/5K2

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qg4#
  • Tries
    • 1.Bg1?
      • threat
        • 2.Rxe3#
      • 1...Ke4
        • 2.Qg4#
      • 1...Kxg3!
    • 1.Bc8?
      • threat
        • 2.Qg4#
      • 1...g4
        • 2.Qxg4#
      • 1...Ke4!
    • 1.Rd4?
      • threat
        • 2.Be2#
        • 2.Qg4#
        • 2.Qf7#
        • 2.Qf6#
      • 1...exd4
        • 2.Be2#
      • 1...e4
        • 2.Be2#
        • 2.Qxe4#
      • 1...g4
        • 2.Be2#
        • 2.Qxg4#
        • 2.Qf7#
        • 2.Qf6#
      • 1...e2+!
    • 1.Qxe5?
      • 1...g4
        • 2.Rxe3#
        • 2.Qf4#
        • 2.Qxe3#
      • 1...Kg4!
    • 1.g4?
      • 1...Ke4
        • 2.Qxc6#
      • 1...e4!
  • Keys
    • 1.Qh3!
      • 1...Ke4
        • 2.Qg4#
      • 1...g4
        • 2.Qg2#
      • 1...e4
        • 2.g4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT::QAR2(G)
  • Tries
    • Try
      • B(B);
      • Threat
        • R1(C),XP(a)
      • Vars
        • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT::QAR2(G)
      • Refutation
        • K(b);P-FLIGHT,XP(D)
    • Try
      • B(F);
      • Threat
        • QAB1(G)
      • Vars
        • P(d);::QAB1(G),XP(d)
      • Refutation
        • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT
    • Try
      • R(C);N_PINP(a)
      • Threat
        • DUALS(4)
      • Vars
        • P(c);XR(C)::B(F)
      • Refutation
        • P(a);CHECK
    • Try
      • Q(G);XP(c)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • P(D);
      • Vars
        • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT::QAB(G),XP(e)
      • Refutation
        • P(c);
  • Actual
    • Q(G);
    • Vars
      • K(b);N_SPINP(a),S_FLIGHT::QAR2(G)
      • P(d);SBLOCK::QAB1(G)
      • P(c);SBLOCK::QAR(G)+P(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).