MESON Chess Problem Database
Problem Display
PID: 110106 (2N5/BkNPp3/R1R5/5ppK/4Bb1p/8/8/1r6 w - - 0 1)
Kopaev, Viacheslav Georgievich
Hlas l'udu, 1982
#2
8 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rab6#
- 1...Rc1
- 2.Rab6#
- 1...Rd1
- 2.Rab6#
- 1...Re1
- 2.Rab6#
- 1...Rf1
- 2.Rab6#
- 1...Rg1
- 2.Rab6#
- 1...Rh1
- 2.Rab6#
- 1...Rb6
- 2.Raxb6#
- 1...Bxc7
- 2.Rcb6#
- 1...e5
- 2.Sd6#
- 1...Ra1
- Tries
- 1.Sxe7?
- threat
- 2.d8S#
- 1...Bxc7
- 2.Rcb6#
- 1...Rd1!
- threat
- 1.Bg2?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 1...Bxc7
- 2.Rcb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Rb2
- 2.Rc2#
- 1...Rc1
- 2.Rab6#
- 2.Rxc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 1...Rd1
- 2.Rab6#
- 1...Re1
- 2.Rab6#
- 1...Rf1
- 2.Rab6#
- 1...Rg1
- 2.Rab6#
- 1...Rb3
- 2.Rc3#
- 1...Rb4
- 2.Rc4#
- 1...Rb5
- 2.Rc5#
- 1...Rb6
- 2.Raxb6#
- 1...Bc1
- 2.Rxc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 1...e5
- 2.Sd6#
- 1...h3!
- threat
- 1.Bf3?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 1...Bxc7
- 2.Rcb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Rc1
- 2.Rab6#
- 2.Rxc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 1...Rd1
- 2.Rab6#
- 1...Re1
- 2.Rab6#
- 1...Rf1
- 2.Rab6#
- 1...Rb3
- 2.Rc3#
- 1...Rb4
- 2.Rc4#
- 1...Rb5
- 2.Rc5#
- 1...Rb6
- 2.Raxb6#
- 1...Bc1
- 2.Rxc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 1...e5
- 2.Sd6#
- 1...g4!
- threat
- 1.Bd5?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 1...Bxc7
- 2.Rcb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Rc1
- 2.Rab6#
- 2.Rxc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 1...Rd1
- 2.Rab6#
- 1...Rb5
- 2.Rc5#
- 1...Rb6
- 2.Raxb6#
- 1...Bc1
- 2.Rxc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 1...e6!
- threat
- 1.Rd6+?
- 1...Kxc7
- 2.d8Q#
- 1...fxe4!
- 1...Kxc7
- 1.d8Q?
- threat
- 2.Rcb6#
- 1...Rb6
- 2.Raxb6#
- 2.Rcxb6#
- 1...fxe4!
- threat
- 1.Sxe7?
- Keys
- 1.Bh1!
- threat
- 2.Rc1#
- 1...Rxh1
- 2.Rab6#
- 1...Bxc7
- 2.Rcb6#
- 1...Rc1
- 2.Rab6#
- 2.Rxc1#
- 1...Rd1
- 2.Rab6#
- 1...Re1
- 2.Rab6#
- 1...Rf1
- 2.Rab6#
- 1...Rg1
- 2.Rab6#
- 1...Rb2
- 2.Rc2#
- 1...Rb3
- 2.Rc3#
- 1...Rb4
- 2.Rc4#
- 1...Rb5
- 2.Rc5#
- 1...Rb6
- 2.Raxb6#
- 1...Bc1
- 2.Rxc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 1...e5
- 2.Sd6#
- threat
- 1.Bh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- B(b);SBLOCK,XS(F)::B(A)+R(D),DCHECK
- P(g);N_GUARD,S_CUTB(b)::S(H)
- Tries
- Try
- S(H);XP(g)
- Threat
- P=S
- Vars
- B(b);SBLOCK,XS(F)::B(A)+R(D),DCHECK
- Refutation
- R(a);
- Try
- B(A);
- Threat
- DUALS(5)
- Vars
- R(a);::B(A)+R(D)
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- P(g);N_GUARD,S_CUTB(b)::S(H)
- Refutation
- P(c);
- Try
- B(A);
- Threat
- DUALS(5)
- Vars
- R(a);N_GUARD::R1(C)
- R(a);::B(A)+R(D)
- R(a);N_GUARD::R1(C),XR(a)
- P(g);N_GUARD,S_CUTB(b)::S(H)
- Refutation
- P(e);
- Try
- B(A);
- Threat
- DUALS(5)
- Vars
- R(a);N_GUARD::R1(C)
- R(a);::B(A)+R(D)
- R(a);N_GUARD::R1(C),XR(a)
- Refutation
- P(g);
- Try
- R(D);CHECK
- Vars
- K(f);P-FLIGHT,XS(F)::P=Q
- Refutation
- P(d);XB(A)
- Try
- P(G);
- Threat
- B(A)+R(D),DCHECK
- Refutation
- P(d);XB(A)
- Try
- Actual
- B(A);
- Threat
- B(A)+R(D)
- Vars
- R(a);N_GUARD,XB(A)::R1(C)
- B(b);SBLOCK,XS(F)::B(A)+R(D),DCHECK
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::B(A)+R(D)
- R(a);N_GUARD::R1(C),XR(a)
- P(g);N_GUARD,S_CUTB(b)::S(H)
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).