MESON Chess Problem Database
Problem Display
PID: 178262 (6K1/5N2/Q2Pn2P/1nRrb2N/4k3/1P3R2/1BP5/7B w - - 0 1)
Janevski, Zivko
Vratnica-64, 2005
#2
12 + 5
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Rxe5#
- 1...Rd2
- 2.Rxe5#
- 1...Rd3
- 2.Rxe5#
- 2.cxd3#
- 1...Rd4
- 2.Rxe5#
- 1...Rxd6
- 2.Rxe5#
- 1...Bh2
- 2.Sf6#
- 1...Bg3
- 2.Sxg3#
- 2.Sf6#
- 1...Bd4
- 2.Sg3#
- 1...Bxd6
- 2.Sf6#
- 1...Bf6
- 2.Sg3#
- 2.Sxf6#
- 1...Bg7
- 2.Sg3#
- 1...Bh8
- 2.Sg3#
- 1...Sa3
- 2.Qe2#
- 1...Sbd4
- 2.Qd3#
- 1...Sxd6
- 2.Qe2#
- 1...Sa7
- 2.Qe2#
- 1...Sbc7
- 2.Qe2#
- 1...Sed4
- 2.Sg5#
- 1...Sf4
- 2.Sg3#
- 1...Sxc5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sec7
- 2.Sg5#
- 1...Sg7
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...Rd1
- Tries
- 1.Bc1?
- threat
- 2.Rf4#
- 1...Kd4
- 2.Rc4#
- 1...Bf4
- 2.Rxf4#
- 1...Sf4
- 2.Rxf4#
- 1...Rd2!
- threat
- 1.Bxe5?
- threat
- 2.Sg3#
- 2.Sf6#
- 1...Rxc5
- 2.Sf6#
- 1...Sf4
- 2.Sg3#
- 1...Rxe5!
- threat
- 1.Rfc3+?
- 1...Kd4
- 2.R5c4#
- 2.Rxd5#
- 2.Qa4#
- 1...Kf5!
- 1...Kd4
- 1.Rc4+?
- 1...Rd4
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...Bd4
- 2.Sg3#
- 2.Sf6#
- 1...Sed4
- 2.Sg5#
- 1...Sbd4!
- 1...Rd4
- 1.Rxd5?
- threat
- 2.Rxe5#
- 1...Bxb2
- 2.Rc3#
- 2.Rfd3#
- 2.Rg3#
- 2.Rh3#
- 1...Bxd6
- 2.Sf6#
- 2.Rc3#
- 2.Rfd3#
- 2.Rg3#
- 2.Rh3#
- 1...Bh2
- 2.Sf6#
- 2.Rc3#
- 2.Rfd3#
- 2.Rg3#
- 2.Rh3#
- 1...Bc3
- 2.Rxc3#
- 2.Rfd3#
- 2.Rg3#
- 2.Rh3#
- 1...Bg3
- 2.Sf6#
- 2.Rc3#
- 2.Rfd3#
- 2.Rxg3#
- 1...Bd4
- 2.Rc3#
- 2.Rd3#
- 2.Rg3#
- 2.Rh3#
- 1...Bf4
- 2.Sf6#
- 2.Rc3#
- 2.Rfd3#
- 2.Rg3#
- 2.Rh3#
- 1...Bf6
- 2.Sxf6#
- 2.Rc3#
- 2.Rfd3#
- 2.Rg3#
- 2.Rh3#
- 1...Bg7
- 2.Rc3#
- 2.Rfd3#
- 2.Rg3#
- 2.Rh3#
- 1...Bh8
- 2.Rc3#
- 2.Rfd3#
- 2.Rg3#
- 2.Rh3#
- 1...Sc3
- 2.Qd3#
- 1...Kxd5!
- threat
- 1.Qa4+?
- 1...Rd4
- 2.Rxe5#
- 1...Bd4
- 2.Sg3#
- 2.Sf6#
- 1...Sed4
- 2.Sg5#
- 1...Sbd4!
- 1...Rd4
- 1.Bc1?
- Keys
- 1.Bd4!
- threat
- 2.Rf4#
- 1...Kxd4
- 2.Rc4#
- 1...Rxd4
- 2.Rxe5#
- 1...Bxd4
- 2.Sg3#
- 1...Sbxd4
- 2.Qd3#
- 1...Sexd4
- 2.Sg5#
- 1...Bf4
- 2.Rxf4#
- 1...Sf4
- 2.Rxf4#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 17
- Sets
- R(c);OGATE::R1(F),XB(d)
- R(c);OGATE,XP(I)::R1(F),XB(d)
- B(d);N_GUARD::S(G)
- B(d);N_GUARD,XP(I)::S(G)
- S(b);OGATE::QAR2(H)
- S(b);OGATE::QAB1(H)
- S(b);OGATE,XP(I)::QAR2(H)
- S(e);N_GUARD::S(K)
- S(e);S_CUTB(d)::S(G)
- S(e);N_GUARD,XR(F)::S(K)
- S(e);N_GUARD::S(K),XS(e)
- Tries
- Try
- B(B);
- Threat
- B(A)+R(E),DCHECK
- Vars
- K(a);P-FLIGHT::R1(F)
- B(d);::B(A)+R(E),DCHECK,XB(d)
- S(e);::B(A)+R(E),DCHECK,XS(e)
- Refutation
- R(c);
- Try
- B(B);XB(d)
- Threat
- DUALS(2)
- Vars
- R(c);XR(F)::S(G)
- S(e);::S(G)
- Refutation
- R(c);XB(B)
- Try
- R(E);CHECK
- Refutation
- K(a);S_FLIGHT
- Try
- R(F);CHECK
- Vars
- S(e);P_SPINS(e)::S(K)
- Refutation
- S(b);P_SPINS(b)
- Try
- R(F);XR(c)
- Threat
- R1(F),XB(d)
- Vars
- S(b);OGATE::QAB1(H)
- Refutation
- K(a);S_FLIGHT,XR(F)
- Try
- Q(H);CHECK
- Vars
- R(c);OGATE,P_SPINR(c)::R1(F),XB(d)
- S(e);P_SPINS(e)::S(K)
- Refutation
- S(b);P_SPINS(b)
- Try
- Actual
- B(B);
- Threat
- B(A)+R(E),DCHECK
- Vars
- K(a);OGATEB,P-FLIGHT,XB(B)::R1(F)
- R(c);OGATE,SBLOCK,XB(B)::R1(F),XB(d)
- B(d);N_GUARD,SBLOCK,XB(B)::S(G)
- S(b);OGATE,XB(B)::QAB1(H)
- S(e);N_GUARD,SBLOCK,XB(B)::S(K)
- B(d);::B(A)+R(E),DCHECK,XB(d)
- S(e);::B(A)+R(E),DCHECK,XS(e)
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).