MESON Chess Problem Database
Problem Display
PID: 249738 (7B/K2P2N1/8/1p2R3/1pn1B3/1Nk1p3/P3Qrp1/6Rr w - - 0 1)
Kopaev, Viacheslav Georgievich
Schach, 1980
#2
10 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Rc1#
- 1...Rh3
- 2.Rc1#
- 1...Rh4
- 2.Rc1#
- 1...Rh5
- 2.Rc1#
- 1...Rh6
- 2.Rc1#
- 1...Rh7
- 2.Rc1#
- 1...Rxh8
- 2.Rc1#
- 1...Rf1
- 2.Qc2#
- 1...Rf3
- 2.Qc2#
- 1...Rf4
- 2.Qc2#
- 1...Rf5
- 2.Qc2#
- 1...Rf6
- 2.Qc2#
- 1...Rf7
- 2.Qc2#
- 1...Rf8
- 2.Qc2#
- 1...Rh2
- Tries
- 1.Sf5?
- 1...Rxg1
- 2.Rc5#
- 1...Rxh8
- 2.Rc1#
- 1...Rxf5
- 2.Qc2#
- 1...Sxe5
- 2.Bxe5#
- 1...Sd2
- 2.Rc5#
- 1...Rh2
- 2.Rc1#
- 1...Rh3
- 2.Rc1#
- 1...Rh4
- 2.Rc1#
- 1...Rh5
- 2.Rc1#
- 1...Rh6
- 2.Rc1#
- 1...Rh7
- 2.Rc1#
- 1...Rf1
- 2.Qc2#
- 1...Rf3
- 2.Qc2#
- 1...Rf4
- 2.Qc2#
- 1...Sb2
- 2.Rc5#
- 1...Sa3
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Sb6
- 2.Rc5#
- 1...Sd6
- 2.Rc5#
- 1...Rxe2!
- 1...Rxg1
- 1.Sh5?
- 1...Rxh5
- 2.Rc1#
- 1...Rxe2
- 2.Rc5#
- 1...Sxe5
- 2.Bxe5#
- 1...Sd2
- 2.Rc5#
- 2.Rf5#
- 1...Rh2
- 2.Rc1#
- 1...Rh3
- 2.Rc1#
- 1...Rh4
- 2.Rc1#
- 1...Rf1
- 2.Qc2#
- 1...Rf3
- 2.Qc2#
- 1...Rf4
- 2.Qc2#
- 1...Rf5
- 2.Qc2#
- 1...Rf6
- 2.Qc2#
- 1...Rf7
- 2.Qc2#
- 1...Rf8
- 2.Qc2#
- 1...Sb2
- 2.Rc5#
- 2.Rf5#
- 1...Sa3
- 2.Rc5#
- 2.Rf5#
- 1...Sa5
- 2.Rc5#
- 2.Rf5#
- 1...Sb6
- 2.Rc5#
- 2.Rf5#
- 1...Sd6
- 2.Rc5#
- 2.Rf5#
- 1...Rxg1!
- 1...Rxh5
- 1.Sf5?
- Keys
- 1.Rc5!
- 1...Rxg1
- 2.Sf5#
- 1...Rxh8
- 2.Rc1#
- 1...Rxe2
- 2.Sh5#
- 1...Rh2
- 2.Rc1#
- 1...Rh3
- 2.Rc1#
- 1...Rh4
- 2.Rc1#
- 1...Rh5
- 2.Rc1#
- 1...Rh6
- 2.Rc1#
- 1...Rh7
- 2.Rc1#
- 1...Rf1
- 2.Qc2#
- 1...Rf3
- 2.Qc2#
- 1...Rf4
- 2.Qc2#
- 1...Rf5
- 2.Qc2#
- 1...Rf6
- 2.Qc2#
- 1...Rf7
- 2.Qc2#
- 1...Rf8
- 2.Qc2#
- 1...Rxg1
- 1.Rc5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::R(A)
- R(a);N_GUARD,XB(J)::R(A)
- R(b);N_GUARD::QAR1(C)
- R(b);N_GUARD,P_PINP(H)::QAR1(C)
- Tries
- Try
- S(I);
- Vars
- R(a);N_GUARD,XR(A)::B(J)+R(F)
- R(a);N_GUARD,XB(J)::R(A)
- R(b);N_GUARD,XS(I)::QAR1(C)
- S(g);OGATE,P_SPINS(g),XR(F)::B(J),XS(g)
- S(g);::B(J)+R(F),DCHECK
- R(a);N_GUARD::R(A)
- R(a);N_GUARD,P_PINP(H)::R(A)
- R(b);N_GUARD::QAR1(C)
- Refutation
- R(b);XQ(C)
- Try
- S(I);
- Vars
- R(a);N_GUARD,XS(I)::R(A)
- R(b);N_GUARD,XQ(C)::B(J)+R(F)
- S(g);OGATE,P_SPINS(g),XR(F)::B(J),XS(g)
- R(a);N_GUARD::R(A)
- R(b);N_GUARD::QAR1(C)
- R(b);N_GUARD,P_PINP(H)::QAR1(C)
- Refutation
- R(a);XR(A)
- Try
- Actual
- R(F);P_PINS(g)
- Vars
- R(a);N_GUARD,XR(A)::B(J)+S(I)
- R(a);N_GUARD,XB(J)::R(A)
- R(b);N_GUARD,XQ(C)::B(J)+S(I)
- R(a);N_GUARD::R(A)
- R(b);N_GUARD::QAR1(C)
- R(b);N_GUARD,P_PINP(H)::QAR1(C)
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).