MESON Chess Problem Database

Problem Display
PID: 9428 (8/8/2p1r3/3kBQR1/8/1K6/8/8 w - - 0 1)

Havel, Miroslav

Bohemia, 1903

8/8/2p1r3/3kBQR1/8/1K6/8/8

#2

4 + 3

6024 Bohemian Garnets 1923
4312 Ceske Granaty 1975
3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Qxe5#
    • 1...Rd6
      • 2.Ba1#
      • 2.Bb2#
      • 2.Bc3#
      • 2.Bf6#
      • 2.Bg7#
      • 2.Bh8#
    • 1...c5
      • 2.Qf3#
  • Tries
    • 1.Ba1+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Kd6!
    • 1.Bb2+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Kd6!
    • 1.Bh2+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Kd4!
    • 1.Bc3+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Kd6!
    • 1.Bg3+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Kd4!
    • 1.Bf4+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Kd4!
    • 1.Bd6+?
      • 1...Kd4
        • 2.Bc5#
      • 1...Re5
        • 2.Qxe5#
      • 1...Kxd6!
    • 1.Bf6+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Kd6!
    • 1.Bc7+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Kd4!
    • 1.Bg7+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Kd6!
    • 1.Bb8+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Kd4!
    • 1.Bh8+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Kd6!
    • 1.Qc2?
      • threat
        • 2.Qc4#
      • 1...c5
        • 2.Qg2#
      • 1...Rxe5!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qc4#
        • 2.Qd4#
      • 1...Kc5
        • 2.Bd4#
      • 1...Rxe5
        • 2.Qxe5#
      • 1...Rd6
        • 2.Qc4#
      • 1...Rf6
        • 2.Qc4#
      • 1...Rg6
        • 2.Qc4#
      • 1...Rh6
        • 2.Qc4#
      • 1...Re7
        • 2.Qc4#
      • 1...Re8
        • 2.Qc4#
      • 1...c5
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • R(c);OGATE,P_SPINR(c),XB(B)::QAR1(C),XR(c)
    • P(b);SBLOCK::QAB(C)
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(C),XR(c)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(C),XR(c)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(C),XR(c)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(C),XR(c)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(C),XR(c)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(C),XR(c)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • K(a);P-FLIGHT::B(B)
        • R(c);N_GUARD,P_SPINR(c)::QAR1(C),XR(c)
      • Refutation
        • K(a);P-FLIGHT,XB(B)
    • Try
      • B(B);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(C),XR(c)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(C),XR(c)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(C),XR(c)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(C),XR(c)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(C),XR(c)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • P(b);SBLOCK::QAB(C)
      • Refutation
        • R(c);P_SPINR(c),XB(B)
  • Actual
    • Q(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);P-FLIGHT::R(D)+B(B),DCHECK
      • R(c);OGATE,P_SPINR(c),XB(B)::QAR1(C),XR(c)
      • R(c);::QAB1(C)
      • P(b);SBLOCK::QAB(C)
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).