MESON Chess Problem Database
Problem Display
PID: 46393 (6qR/b2p4/2k3r1/BRN1Pb2/3Q1N2/8/p2KB3/8 w - - 0 1)
Aliovsadzade, Rauf Gadzhiaga ogli
HM., StrateGems, 2003
#2
9 + 7
| 145 | StrateGems | 2005 |
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qb3
- 2.Rc8#
- 1...Qd5
- 2.Rc8#
- 2.Qxd5#
- 1...Qe6
- 2.Rc8#
- 1...Qf7
- 2.Rc8#
- 1...Qh7
- 2.Rc8#
- 2.Qd5#
- 1...Qg7
- 2.Rc8#
- 2.Qd5#
- 1...Qa8
- 2.Qd5#
- 1...Qb8
- 2.Qd5#
- 1...Qc8
- 2.Rxc8#
- 2.Qd5#
- 1...Qd8
- 2.Qd5#
- 1...Qe8
- 2.Qd5#
- 1...Qf8
- 2.Qd5#
- 1...Qxh8
- 2.Qd5#
- 1...Rg1
- 2.Qd6#
- 1...Rg2
- 2.Qd6#
- 1...Rg3
- 2.Qd6#
- 1...Rg4
- 2.Qd6#
- 1...Rg5
- 2.Qd6#
- 1...Rd6
- 2.Qxd6#
- 1...Re6
- 2.Qd5#
- 2.Qxd7#
- 1...Rg7
- 2.Qd6#
- 1...Bb1
- 2.Qxd7#
- 1...Bc2
- 2.Qxd7#
- 1...Bd3
- 2.Qxd7#
- 1...Be4
- 2.Qxd7#
- 1...Be6
- 2.Qd6#
- 1...Bxc5
- 2.Qxc5#
- 1...Qb3
- Tries
- 1.Sd5?
- threat
- 2.Sb4#
- 2.Se7#
- 1...Qxd5
- 2.Rc8#
- 1...Bxc5
- 2.Qxc5#
- 1...Qe6
- 2.Sb4#
- 2.Rc8#
- 1...Qf7
- 2.Sb4#
- 2.Rc8#
- 1...Qh7
- 2.Sb4#
- 2.Rc8#
- 1...Qg7
- 2.Sb4#
- 2.Rc8#
- 1...Qd8
- 2.Sb4#
- 1...Qe8
- 2.Sb4#
- 1...Qf8
- 2.Sb4#
- 1...Re6
- 2.Sb4#
- 1...Rg7
- 2.Sb4#
- 1...Bb6
- 2.Rxb6#
- 1...Bd3!
- threat
- 1.Sfe6?
- threat
- 2.Qd6#
- 2.Qxd7#
- 1...Qxe6
- 2.Rc8#
- 1...Rxe6
- 2.Qxd7#
- 1...Bxe6
- 2.Qd6#
- 1...Bxc5
- 2.Qxc5#
- 1...dxe6
- 2.Qd6#
- 2.Qd7#
- 1...Bd3
- 2.Qxd7#
- 1...Qf7
- 2.Sd8#
- 2.Rc8#
- 2.Qd6#
- 1...Qh7
- 2.Sd8#
- 2.Rc8#
- 2.Qd6#
- 1...Qg7
- 2.Sd8#
- 2.Rc8#
- 2.Qd6#
- 1...Qb8
- 2.Qxd7#
- 1...Qc8
- 2.Rxc8#
- 2.Qd6#
- 1...Qd8
- 2.Sxd8#
- 2.Qd6#
- 1...Qe8
- 2.Qd6#
- 1...Qf8
- 2.Qxd7#
- 1...Rg7
- 2.Qd6#
- 1...Bb8
- 2.Rb6#
- 2.Qxd7#
- 1...d6
- 2.Qxd6#
- 1...d5!
- threat
- 1.Rxg8?
- threat
- 2.Rc8#
- 2.Qd5#
- 1...Rxg8
- 2.Qd5#
- 2.Qd6#
- 1...Bd3
- 2.Qxd7#
- 1...Rd6
- 2.Rc8#
- 2.Qxd6#
- 1...Be4
- 2.Rc8#
- 2.Qxd7#
- 1...Be6
- 2.Rc8#
- 2.Qd6#
- 1...Bb8
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...d6
- 2.Qd5#
- 1...Bb6!
- threat
- 1.e6?
- threat
- 2.Qd5#
- 2.Qxd7#
- 1...Qxe6
- 2.Rc8#
- 1...dxe6
- 2.Qd7#
- 1...Bd3
- 2.Qxd7#
- 1...Bb6
- 2.Qxd7#
- 1...d5
- 2.Qxd5#
- 1...Qf7
- 2.Rc8#
- 2.Qd5#
- 1...Qh7
- 2.Rc8#
- 2.Qd5#
- 1...Qg7
- 2.Rc8#
- 2.Qd5#
- 1...Qc8
- 2.Rxc8#
- 2.Qd5#
- 1...Qd8
- 2.Qd5#
- 1...Qe8
- 2.Qd5#
- 1...Rg7
- 2.Qd5#
- 1...Be4
- 2.Qxd7#
- 1...d6
- 2.Qd5#
- 1...Bxe6!
- threat
- 1.Sd5?
- Keys
- 1.Sce6!
- threat
- 2.Qd5#
- 2.Qd6#
- 1...Qxe6
- 2.Rc8#
- 1...Rxe6
- 2.Qd5#
- 1...Bxe6
- 2.Qd6#
- 1...Bxd4
- 2.Sxd4#
- 1...dxe6
- 2.Qd6#
- 1...Bd3
- 2.Qd5#
- 1...Bb6
- 2.Rxb6#
- 2.Qxb6#
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...d6
- 2.Qxd6#
- 1...Qb8
- 2.Qd5#
- 1...Qf8
- 2.Qd5#
- 1...Be4
- 2.Qd6#
- 1...Bc5
- 2.Qxc5#
- 2.Qd5#
- 1...Bb8
- 2.Rb6#
- 2.Qc3#
- 2.Qc5#
- 2.Qb6#
- 2.Qc4#
- 2.Qd5#
- threat
- 1.Sce6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 5
- REMOVED MATES = 16
- Sets
- Q(g);OGATE::R(I)
- Q(g);N_GUARD::QAB1(C)
- Q(g);N_GUARD,XR(I)::QAB1(C)
- R(d);N_GUARD::QAR1(C)
- R(d);N_GUARD,P_PINB(B)::QAR1(C)
- R(d);N_GUARD,P_PINQ(C)::QAR1(C),XR(d)
- B(b);N_GUARD::QAB1(C),XP(f)
- B(b);S_CUTR(d)::QAR1(C)
- B(e);OGATE,XS(G)::QAR1(C),XB(e)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(g);OGATE,P_PINQ(C),XS(D)::R(I)
- B(e);OGATE,XS(G)::QAR1(C),XB(e)
- Q(g);::S(D)
- R(d);::S(D)
- B(e);N_GUARD::R1(F),XB(e)
- Refutation
- B(b);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(g);OGATE,XS(D)::R(I)
- R(d);XS(D)::QAB1(C),XP(f)
- B(b);XS(D)::QAR1(C)
- B(e);OGATE,XS(G)::QAR1(C),XB(e)
- B(b);::QAB1(C),XP(f)
- Q(g);::QAB1(C),XP(f)
- Q(g);::QAR1(C)
- R(d);::QAR1(C)
- P(f);::QAR1(C),XP(f)
- Refutation
- P(f);
- Try
- R(I);XQ(g)
- Threat
- DUALS(2)
- Vars
- B(b);N_GUARD::QAB1(C),XP(f)
- B(e);::QAB1(C)
- P(f);::QAB1(C),XP(f)
- P(f);::QAB1(C)
- Refutation
- B(e);
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- Q(g);OGATE,XP(H)::R(I)
- P(f);XP(H)::QAB1(C)
- B(b);::QAB1(C),XP(f)
- B(e);::QAB1(C),XP(f)
- P(f);::QAB1(C),XP(f)
- Q(g);::QAB1(C)
- R(d);::QAB1(C)
- P(f);::QAB1(C)
- Refutation
- B(b);XP(H)
- Try
- Actual
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(g);OGATE,XS(G)::R(I)
- R(d);XS(G)::QAB1(C)
- B(b);XS(G)::QAR1(C)
- B(e);XQ(C)::S(G),XB(e)
- P(f);XS(G)::QAR1(C)
- B(b);::QAB1(C)
- P(f);::QAB1(C),XP(f)
- P(f);::QAR1(C),XP(f)
- Q(g);::QAB1(C)
- B(b);::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).