MESON Chess Problem Database
Problem Display
PID: 75776 (2Kb4/8/1B2B3/2R5/2Nkp3/R3r3/1r3q2/7Q w - - 0 1)
Kopaev, Viacheslav Georgievich
2nd Prize, Shakhmatna misl, 2002
#2
7 + 6
| 5085 | The Macedonian Problemist | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Rc7#
- 1...Rc2
- 2.Rc7#
- 1...Rd2
- 2.Rc7#
- 1...Rbe2
- 2.Rc7#
- 1...Bh4
- 2.Rb5#
- 1...Bg5
- 2.Rb5#
- 1...Bf6
- 2.Rb5#
- 1...Ra2
- Tries
- 1.Sd6?
- threat
- 2.Rd5#
- 1...Rxa3
- 2.Qxe4#
- 1...Reb3
- 2.Qxe4#
- 1...Rc3
- 2.Qxe4#
- 1...Qc2
- 2.Sf5#
- 1...Rc2
- 2.Sb5#
- 1...Rbb3!
- threat
- 1.Rf5+?
- 1...Bxb6
- 2.Qh8#
- 1...Rxb6!
- 1...Bxb6
- 1.Qh8+?
- 1...Bf6
- 2.Rb5#
- 1...Qf6!
- 1...Bf6
- 1.Sd6?
- Keys
- 1.Qc1!
- threat
- 2.Rd5#
- 1...Rc3
- 2.Qxc3#
- 1...Qc2
- 2.Qxe3#
- 1...Rc2
- 2.Rc7#
- threat
- 1.Qc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD::B(E)+R(D)
- B(f);N_GUARD::B(E)+R(D)
- Tries
- Try
- S(C);
- Threat
- B(E)+R(D),DCHECK
- Vars
- R(c);N_GUARD,XR(B)::QAR1(A),XP(e)
- R(c);N_GUARD::QAR1(A),XP(e)
- R(c);N_GUARD,P_PINR(D)::QAR1(A),XP(e)
- Q(b);N_GUARD,P_PINR(D)::S(C)
- R(a);N_GUARD,P_PINR(D)::S(C)
- Refutation
- R(a);
- Try
- R(D);CHECK
- Vars
- B(f);XB(E)::QAB(A)
- Refutation
- R(a);XB(E)
- Try
- Q(A);CHECK
- Vars
- B(f);P_SPINB(f)::B(E)+R(D)
- Refutation
- Q(b);P_SPINQ(b)
- Try
- Actual
- Q(A);
- Threat
- B(E)+R(D),DCHECK
- Vars
- R(c);N_GUARD::QAB1(A),XR(c)
- Q(b);N_GUARD::QAB1(A),XR(c)
- R(a);N_GUARD::B(E)+R(D)
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).