MESON Chess Problem Database
Problem Display
PID: 243067 (4n3/3Q1p2/1Nb5/4BR2/r3k3/1p1p2PB/q1r4p/3N3K w - - 0 1)
Amirov, Talip Khasanovich
Shakhmaty (Riga), 1962
#2
8 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rb2
- 2.Qxc6#
- 1...Rd2
- 2.Qxc6#
- 1...Re2
- 2.Qxc6#
- 1...Rf2
- 2.Qxc6#
- 1...Rg2
- 2.Qxc6#
- 1...Ra3
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...Ra5
- 2.Qd4#
- 1...Ra6
- 2.Qd4#
- 1...Ra7
- 2.Qd4#
- 1...Ra8
- 2.Qd4#
- 1...Bb5
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...d2
- 2.Bg2#
- 1...Rb2
- Tries
- 1.Bg4?
- threat
- 2.Bf3#
- 1...Rf2
- 2.Qxc6#
- 1...Bxd7!
- threat
- 1.Bc3?
- threat
- 2.Rf4#
- 2.Qxc6#
- 2.Qe7#
- 1...Bxd7
- 2.Rf4#
- 1...Qa3
- 2.Rf4#
- 2.Qxc6#
- 1...Rf2
- 2.Qxc6#
- 2.Qe7#
- 1...Rc4
- 2.Rf4#
- 2.Qe7#
- 1...Rd4
- 2.Qxd4#
- 2.Qe7#
- 1...Ra5
- 2.Rf4#
- 2.Qd4#
- 1...Ra7
- 2.Rf4#
- 2.Qxc6#
- 2.Qd4#
- 1...Bb5
- 2.Rf4#
- 2.Qd5#
- 2.Qe7#
- 1...Bd5
- 2.Rf4#
- 2.Qxd5#
- 1...Bb7
- 2.Rf4#
- 2.Qxe8#
- 2.Qxb7#
- 2.Qe7#
- 1...Ba8
- 2.Rf4#
- 2.Qxe8#
- 2.Qe7#
- 1...Sf6
- 2.Rf4#
- 2.Qe7#
- 1...Sc7
- 2.Rf4#
- 1...Sg7
- 2.Rf4#
- 2.Qxc6#
- 1...b2
- 2.Rf4#
- 1...d2
- 2.Bg2#
- 2.Rf4#
- 1...Rxc3!
- threat
- 1.Bf6?
- threat
- 2.Rf4#
- 2.Qe7#
- 1...Bxd7
- 2.Rf4#
- 1...Qa1
- 2.Rf4#
- 1...Qb2
- 2.Rf4#
- 1...Qa3
- 2.Rf4#
- 1...Rf2
- 2.Qxc6#
- 2.Qe7#
- 1...Rc5
- 2.Rf4#
- 1...Ra5
- 2.Rf4#
- 2.Qd4#
- 1...Ra7
- 2.Rf4#
- 2.Qd4#
- 1...Bd5
- 2.Rf4#
- 2.Qxd5#
- 1...Sc7
- 2.Rf4#
- 1...Sg7
- 2.Rf4#
- 1...b2
- 2.Rf4#
- 1...d2
- 2.Bg2#
- 2.Rf4#
- 1...Sxf6!
- threat
- 1.Rf3?
- threat
- 2.Re3#
- 2.Qf5#
- 1...Kxf3
- 2.Qxd3#
- 1...Bxd7
- 2.Re3#
- 1...Re2
- 2.Qf5#
- 1...Sd6
- 2.Re3#
- 1...Sg7
- 2.Re3#
- 1...f5
- 2.Re3#
- 2.Qxf5#
- 1...Kxe5!
- threat
- 1.Rg5?
- threat
- 2.Qg4#
- 2.Qf5#
- 1...Kf3
- 2.Qxd3#
- 1...f5
- 2.Qxf5#
- 1...Sf6
- 2.Qf5#
- 1...Rf2
- 2.Qxc6#
- 1...Sd6
- 2.Qg4#
- 1...Sg7
- 2.Qg4#
- 1...d2
- 2.Bg2#
- 2.Qf5#
- 1...Bxd7!
- threat
- 1.Rh5?
- threat
- 2.Qg4#
- 2.Qf5#
- 1...Kf3
- 2.Qxd3#
- 1...f5
- 2.Qxf5#
- 1...Sf6
- 2.Qf5#
- 1...Rf2
- 2.Qxc6#
- 1...Sd6
- 2.Qg4#
- 1...Sg7
- 2.Qg4#
- 1...d2
- 2.Bg2#
- 2.Qf5#
- 1...Bxd7!
- threat
- 1.Qd6?
- threat
- 2.Rf4#
- 1...Rf2
- 2.Qxc6#
- 1...Sxd6!
- threat
- 1.Qe7?
- threat
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 2.Rf4#
- 2.Qh4#
- 1...Sf6
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bxf6#
- 2.Rf4#
- 1...Qa1
- 2.Bxa1#
- 2.Bb2#
- 2.Bc3#
- 2.Rf4#
- 2.Qh4#
- 1...Qb2
- 2.Bxb2#
- 2.Bc3#
- 2.Rf4#
- 2.Qh4#
- 1...Qa3
- 2.Rf4#
- 2.Qh4#
- 1...Rb2
- 2.Bxb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 2.Rf4#
- 2.Qh4#
- 1...Rf2
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 1...Rc3
- 2.Bxc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 2.Rf4#
- 2.Qh4#
- 1...Rc5
- 2.Rf4#
- 2.Qh4#
- 1...Rd4
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bg7#
- 2.Bb8#
- 2.Bh8#
- 2.Rf4#
- 2.Qh4#
- 1...Ra5
- 2.Rf4#
- 2.Qh4#
- 1...Ra7
- 2.Rf4#
- 2.Qh4#
- 1...Bd5
- 2.Rf4#
- 2.Qh4#
- 1...Bd7
- 2.Rf4#
- 2.Qh4#
- 1...Sc7
- 2.Rf4#
- 2.Qh4#
- 1...Sg7
- 2.Bxg7#
- 2.Rf4#
- 2.Qh4#
- 1...b2
- 2.Rf4#
- 2.Qh4#
- 1...f6
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bxf6#
- 2.Rf4#
- 1...d2!
- threat
- 1.Bg4?
- Keys
- 1.Bd4!
- threat
- 2.Rf4#
- 1...Rxd4
- 2.Qe7#
- 1...d2
- 2.Sf2#
- 1...Rf2
- 2.Sc3#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- R(b);N_GUARD::QAB(H),XB(h)
- R(f);N_GUARD::QAR1(H)
- R(f);N_GUARD::QAR1(H),XR(f)
- B(h);N_GUARD::QAB1(H)
- B(h);N_GUARD::QAB1(H),XB(h)
- P(e);S_CUTR(b)::B(D)
- Tries
- Try
- B(D);
- Threat
- B(D)
- Vars
- R(b);N_GUARD::QAB(H),XB(h)
- Refutation
- B(h);XQ(H)
- Try
- B(E);
- Threat
- DUALS(3)
- Vars
- B(h);XQ(H)::R1(F)
- S(j);::R1(F)
- P(d);::R1(F)
- Refutation
- R(b);XB(E)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- B(h);XQ(H)::R1(F)
- Q(a);P_PINS(A)::R1(F)
- Q(a);::R1(F)
- R(b);::R1(F)
- S(j);::R1(F)
- P(d);::R1(F)
- Refutation
- S(j);XB(E)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- K(g);S_FLIGHT,XR(F)::QAR2(H),XP(e)
- B(h);XQ(H)::R1(F)
- R(b);::QAB1(H)
- S(j);::R1(F)
- Refutation
- K(g);P-FLIGHT,P_PINR(F),XB(E)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- K(g);S_FLIGHT::QAR2(H),XP(e)
- P(i);::QAB1(H),XP(i)
- S(j);::QAB1(H)
- R(b);N_GUARD::QAB(H),XB(h)
- S(j);::QAR2(H)
- Refutation
- B(h);XQ(H)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- K(g);S_FLIGHT::QAR2(H),XP(e)
- P(i);::QAB1(H),XP(i)
- S(j);::QAB1(H)
- R(b);N_GUARD::QAB(H),XB(h)
- S(j);::QAR2(H)
- Refutation
- B(h);XQ(H)
- Try
- Q(H);
- Threat
- R1(F)
- Vars
- R(b);N_GUARD::QAB(H),XB(h)
- Refutation
- S(j);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(8)
- Refutation
- P(e);
- Try
- Actual
- B(E);
- Threat
- R1(F)
- Vars
- R(f);SBLOCK,XB(E)::QAR(H)
- P(e);S_CUTR(b)::S(A)
- R(b);N_GUARD::S(A)
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).