MESON Chess Problem Database
Problem Display
PID: 161251 (1n2rb2/1KP3p1/6Qp/RNpkn2R/1Pp5/2P2P2/8/8 w - - 0 1)
Amirov, Talip Khasanovich
Sachove umeni (Ceskoslovensky sach), 1965
#2
9 + 9
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Re6
- 2.Qe4#
- 1...Re7
- 2.Qd6#
- 1...Rc8
- 2.Qf7#
- 1...Rd8
- 2.Qf7#
- 1...Bd6
- 2.Qxd6#
- 1...Be7
- 2.Qf7#
- 1...Sa6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Qc6#
- 1...cxb4
- 2.Sd6#
- 1...Re6
- Tries
- 1.Ra1?
- threat
- 2.Rd1#
- 1...Sc6
- 2.Qxc6#
- 1...cxb4!
- threat
- 1.Ra2?
- threat
- 2.Rd2#
- 1...Sc6
- 2.Qxc6#
- 1...cxb4!
- threat
- 1.Ra3?
- 1...Rc8
- 2.Qf7#
- 1...Re6
- 2.Qe4#
- 1...Re7
- 2.Qd6#
- 1...Rd8
- 2.Qf7#
- 1...Bd6
- 2.Qxd6#
- 1...Be7
- 2.Qf7#
- 1...Sa6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Qc6#
- 1...cxb4!
- 1...Rc8
- 1.Ra4?
- 1...Rc8
- 2.Qf7#
- 1...Re6
- 2.Qe4#
- 1...Re7
- 2.Qd6#
- 1...Rd8
- 2.Qf7#
- 1...Bd6
- 2.Qxd6#
- 1...Be7
- 2.Qf7#
- 1...Sa6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Qc6#
- 1...cxb4!
- 1...Rc8
- 1.Ra6?
- threat
- 2.Qe4#
- 1...Sxa6
- 2.Qc6#
- 1...Bd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Sc6
- 2.Qxc6#
- 1...cxb4!
- threat
- 1.Ra7?
- 1...Rc8
- 2.Qf7#
- 1...Re6
- 2.Qe4#
- 1...Re7
- 2.Qd6#
- 1...Rd8
- 2.Qf7#
- 1...Bd6
- 2.Qxd6#
- 1...Be7
- 2.Qf7#
- 1...Sa6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Qc6#
- 1...cxb4!
- 1...Rc8
- 1.Ra8?
- 1...Rc8
- 2.Qf7#
- 1...Re6
- 2.Qe4#
- 1...Re7
- 2.Qd6#
- 1...Rd8
- 2.Qf7#
- 1...Bd6
- 2.Qxd6#
- 1...Be7
- 2.Qf7#
- 1...Sa6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Qc6#
- 1...cxb4!
- 1...Rc8
- 1.Qxe8?
- threat
- 2.Rxe5#
- 2.Qf7#
- 2.Qxe5#
- 1...cxb4
- 2.Rxe5#
- 2.Qxe5#
- 1...Be7
- 2.Qf7#
- 2.Qg8#
- 1...Bd6
- 2.Qf7#
- 2.Qg8#
- 1...Sc6
- 2.Qxc6#
- 2.Qf7#
- 1...Sd7
- 2.Qf7#
- 1...g5!
- threat
- 1.c8Q?
- threat
- 2.Sc7#
- 2.Qe4#
- 1...Rxc8
- 2.Qf7#
- 1...Re6
- 2.Qe4#
- 2.Qcxe6#
- 2.Qgxe6#
- 1...Bd6
- 2.Qe4#
- 2.Qxd6#
- 1...Sa6
- 2.Qe4#
- 2.Qgc6#
- 2.Qcc6#
- 1...Sd7
- 2.Sc7#
- 2.Qgc6#
- 2.Qcc6#
- 1...Re7+!
- threat
- 1.c8S?
- threat
- 2.Sc7#
- 2.Sb6#
- 1...Rxc8
- 2.Qf7#
- 1...cxb4
- 2.Sbd6#
- 2.Sc7#
- 1...Re6
- 2.Sc7#
- 2.Qe4#
- 1...Bd6
- 2.Sb6#
- 2.Qxd6#
- 1...Sa6
- 2.Sb6#
- 2.Qc6#
- 1...Sd7
- 2.Sc7#
- 2.Qc6#
- 1...Re7+!
- threat
- 1.c8B?
- threat
- 2.Sc7#
- 2.Qe4#
- 1...Rxc8
- 2.Qf7#
- 1...cxb4
- 2.Sd6#
- 2.Sc7#
- 1...Re6
- 2.Bxe6#
- 2.Qe4#
- 2.Qxe6#
- 1...Bd6
- 2.Qe4#
- 2.Qxd6#
- 1...Sa6
- 2.Qe4#
- 2.Qc6#
- 1...Sd7
- 2.Sc7#
- 2.Qc6#
- 1...Re7+!
- threat
- 1.c8R?
- threat
- 2.Sc7#
- 1...Rxc8
- 2.Qf7#
- 1...Re6
- 2.Qe4#
- 1...Bd6
- 2.Qxd6#
- 1...Sa6
- 2.Qc6#
- 1...Re7+!
- threat
- 1.Ra1?
- Keys
- 1.Sd4!
- 1...Re6
- 2.Qxe6#
- 1...Re7
- 2.Rxc5#
- 1...Rc8
- 2.Qe6#
- 1...Rd8
- 2.Qe6#
- 1...Bd6
- 2.Qe4#
- 1...Be7
- 2.Qe6#
- 1...Sa6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Qc6#
- 1...Re6
- 1.Sd4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(h);SBLOCK::QAB1(G)
- R(h);P_PINP(I),S_CUTB(i)::QAR1(G)
- R(h);N_GUARD::QAB(G)
- B(i);N_GUARD::QAR1(G),XB(i)
- B(i);S_CUTR(h)::QAB(G)
- S(g);N_GUARD::QAB1(G)
- S(g);N_GUARD::QAB1(G),XS(g)
- P(b);XP(C)::R(D)+S(E)
- Tries
- Try
- R(D);
- Threat
- R(D)
- Vars
- S(g);N_GUARD::QAB1(G),XS(g)
- Refutation
- P(b);XP(C)
- Try
- R(D);
- Threat
- R(D)
- Vars
- S(g);N_GUARD::QAB1(G),XS(g)
- Refutation
- P(b);XP(C)
- Try
- R(D);
- Vars
- R(h);N_GUARD::QAB(G)
- R(h);SBLOCK::QAB1(G)
- R(h);P_PINP(I),S_CUTB(i)::QAR1(G)
- B(i);N_GUARD::QAR1(G),XB(i)
- B(i);S_CUTR(h)::QAB(G)
- S(g);N_GUARD::QAB1(G)
- S(g);N_GUARD::QAB1(G),XS(g)
- Refutation
- P(b);XP(C)
- Try
- R(D);
- Vars
- R(h);N_GUARD::QAB(G)
- R(h);SBLOCK::QAB1(G)
- R(h);P_PINP(I),S_CUTB(i)::QAR1(G)
- B(i);N_GUARD::QAR1(G),XB(i)
- B(i);S_CUTR(h)::QAB(G)
- S(g);N_GUARD::QAB1(G)
- S(g);N_GUARD::QAB1(G),XS(g)
- Refutation
- P(b);XP(C)
- Try
- R(D);
- Threat
- QAB1(G)
- Vars
- S(g);N_GUARD,XR(D)::QAB1(G)
- S(g);N_GUARD::QAB1(G),XS(g)
- Refutation
- P(b);XP(C)
- Try
- R(D);
- Vars
- R(h);N_GUARD::QAB(G)
- R(h);SBLOCK::QAB1(G)
- R(h);P_PINP(I),S_CUTB(i)::QAR1(G)
- B(i);N_GUARD::QAR1(G),XB(i)
- B(i);S_CUTR(h)::QAB(G)
- S(g);N_GUARD::QAB1(G)
- S(g);N_GUARD::QAB1(G),XS(g)
- Refutation
- P(b);XP(C)
- Try
- R(D);
- Vars
- R(h);N_GUARD::QAB(G)
- R(h);SBLOCK::QAB1(G)
- R(h);P_PINP(I),S_CUTB(i)::QAR1(G)
- B(i);N_GUARD::QAR1(G),XB(i)
- B(i);S_CUTR(h)::QAB(G)
- S(g);N_GUARD::QAB1(G)
- S(g);N_GUARD::QAB1(G),XS(g)
- Refutation
- P(b);XP(C)
- Try
- Q(G);XR(h)
- Threat
- DUALS(3)
- Vars
- S(g);::QAB(G)
- Refutation
- P(f);N_SPINS(d)
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD,XQ(I)::QAB(G)
- Refutation
- R(h);CHECK
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD,XS(I)::QAB(G)
- Refutation
- R(h);CHECK
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD,XB(I)::QAB(G)
- Refutation
- R(h);CHECK
- Try
- P(I);
- Threat
- S(E)
- Vars
- R(h);N_GUARD,XR(I)::QAB(G)
- R(h);SBLOCK::QAB1(G)
- B(i);N_GUARD::QAR1(G),XB(i)
- S(g);N_GUARD::QAB1(G)
- Refutation
- R(h);CHECK
- Try
- Actual
- S(E);P_PINP(b)
- Vars
- R(h);N_GUARD::QAB1(G),XR(h)
- R(h);P_PINP(I),S_CUTB(i)::R1(D),XP(b)
- R(h);N_GUARD::QAB1(G)
- B(i);SBLOCK::QAB1(G)
- B(i);S_CUTR(h)::QAB1(G)
- S(g);N_GUARD::QAB1(G)
- S(g);N_GUARD::QAB1(G),XS(g)
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).