MESON Chess Problem Database

Problem Display
PID: 54858 (8/3R1Q2/3NP2R/1P1k4/4Nq1r/4pB2/KB6/8 w - - 0 1)

Vukcevich, Milan Radoje

4th Prize, The Problemist, 1982/I

8/3R1Q2/3NP2R/1P1k4/4Nq1r/4pB2/KB6/8

#2

10 + 4

3485 Sachova skladba 1985
3752 FIDE Album (1980-1982) 1988
5398 My Chess Compositions 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Qh2
      • 2.e7#
    • 1...Qg3
      • 2.e7#
    • 1...Qg5
      • 2.e7#
    • 1...Qxd6
      • 2.e7#
    • 1...Qxh6
      • 2.Qf5#
    • 1...Qxe4
      • 2.Qf5#
    • 1...Qf5
      • 2.Qxf5#
  • Tries
    • 1.Sd2+?
      • 1...Qxf3
        • 2.S6e4#
        • 2.Sb7#
      • 1...Qe4
        • 2.S6xe4#
        • 2.Sb7#
        • 2.Qf5#
      • 1...Kc5!
    • 1.Sc4+?
      • 1...Qd6
        • 2.Sxe3#
        • 2.Sb6#
        • 2.e7#
      • 1...Kxc4!
    • 1.Sf5+?
      • 1...Qd6
        • 2.Sxe3#
        • 2.e7#
      • 1...Kc4!
    • 1.Sb7+?
      • 1...Qd6
        • 2.e7#
      • 1...Kc4!
    • 1.Sc8+?
      • 1...Qd6
        • 2.Sb6#
        • 2.e7#
      • 1...Kc4!
    • 1.Se8+?
      • 1...Qd6
        • 2.e7#
      • 1...Kc4!
    • 1.Be2?
      • threat
        • 2.Bc4#
      • 1...Qxd6
        • 2.Qf5#
      • 1...Qxe4
        • 2.Sb7#
      • 1...Qf1!
    • 1.Rh5+?
      • 1...Qe5
        • 2.Rxe5#
        • 2.e7#
      • 1...Qg5
        • 2.Rxg5#
        • 2.e7#
      • 1...Qf5
        • 2.Rxf5#
        • 2.Qxf5#
        • 2.e7#
      • 1...Rxh5!
    • 1.Qh5+?
      • 1...Qe5
        • 2.Qxe5#
      • 1...Qg5
        • 2.Qxg5#
      • 1...Qf5
        • 2.Qxf5#
      • 1...Rxh5!
    • 1.Qf5+?
      • 1...Qe5
        • 2.Qxe5#
      • 1...Qxf5!
  • Keys
    • 1.Rc7!
      • threat
        • 2.Rc5#
      • 1...Qxd6
        • 2.Sf6#
      • 1...Qxe4
        • 2.e7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • Q(b);N_GUARD,P_PINB(B)::QAB(J)+P(G)
    • Q(b);N_GUARD::QAB(J)+P(G)
    • Q(b);N_GUARD,P_SPINQ(b),XS(F)::QAB(J)+P(G)
    • Q(b);N_GUARD,XR(H)::QAR2(J)
    • Q(b);N_GUARD,P_SPINQ(b),XS(D)::QAR2(J)
    • Q(b);N_GUARD::QAR2(J),XQ(b)
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • S(F);CHECK
      • Refutation
        • K(d);S_FLIGHT,XS(F)
    • Try
      • S(F);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • Q(b);P_SPINQ(b)::QAB(J)+P(G)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(F);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • Q(b);P_SPINQ(b)::QAB(J)+P(G)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • B(C)
      • Vars
        • Q(b);N_GUARD,P_SPINQ(b),XS(F)::QAR2(J)
        • Q(b);N_GUARD,SBLOCK,XS(D)::R(I)+S(F)
      • Refutation
        • Q(b);
    • Try
      • R(H);CHECK
      • Refutation
        • R(c);XR(H)
    • Try
      • Q(J);CHECK
      • Vars
        • Q(b);N_GUARD,P_SPINQ(b)::QAR1(J),XQ(b)
        • Q(b);N_GUARD,P_SPINQ(b)::QAR(J),XQ(b)
        • Q(b);N_GUARD,P_SPINQ(b)::QAR2(J),XQ(b)
      • Refutation
        • R(c);XQ(J)
    • Try
      • Q(J);CHECK
      • Vars
        • Q(b);N_GUARD,P_SPINQ(b)::QAR1(J),XQ(b)
      • Refutation
        • Q(b);XQ(J)
  • Actual
    • R(I);
    • Threat
      • R1(I)
    • Vars
      • Q(b);SBLOCK,XS(F)::B(C)+S(D),DCHECK
      • Q(b);N_GUARD,P_SPINQ(b),XS(D)::QAB(J)+P(G)
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).