MESON Chess Problem Database
Problem Display
PID: 44724 (6Q1/7p/2R2Nb1/2b5/1r2B3/1p2k1p1/2P1N3/4K3 w - - 0 1)
Rossomakho, Yakov V
1st Prize, Moscow Ty., 1990
#2
7 + 7
| 4827 | FIDE Album (1989-1991) | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Ra4
- 2.Qxb3#
- 1...Rxe4
- 2.Qxb3#
- 1...Bb6
- 2.Rc3#
- 1...Bd6
- 2.Rc3#
- 1...Ba7
- 2.Rc3#
- 1...Be7
- 2.Rc3#
- 1...Bf8
- 2.Rc3#
- 1...Bf5
- 2.Qxg3#
- 2.Qg5#
- 1...Bh5
- 2.Qg5#
- 1...Bf7
- 2.Qxg3#
- 2.Qg5#
- 1...Be8
- 2.Qxg3#
- 2.Qg5#
- 1...Ra4
- Tries
- 1.Re6?
- threat
- 2.Sg4#
- 2.Sd5#
- 1...Bxe4
- 2.Qxg3#
- 1...Rd4
- 2.Sg4#
- 1...Bf5
- 2.Sd5#
- 2.Qxg3#
- 2.Qg5#
- 1...Bh5
- 2.Sd5#
- 2.Qg5#
- 1...h5
- 2.Sd5#
- 1...Rxe4!
- threat
- 1.Qd5?
- threat
- 2.Sg4#
- 2.Qd2#
- 2.Qd3#
- 2.Qg5#
- 1...Rxe4
- 2.Qxb3#
- 2.Qd3#
- 1...Rd4
- 2.Sg4#
- 2.Qg5#
- 1...Bd4
- 2.Sg4#
- 2.Qg5#
- 1...Bd6
- 2.Sg4#
- 2.Rc3#
- 2.Qd2#
- 2.Qd3#
- 1...Bf5
- 2.Qd2#
- 2.Qd3#
- 1...Bh5
- 2.Qd2#
- 2.Qd3#
- 2.Qg5#
- 1...h5
- 2.Qd2#
- 2.Qd3#
- 2.Qg5#
- 1...h6
- 2.Sg4#
- 2.Qd2#
- 2.Qd3#
- 1...Bxe4!
- threat
- 1.Qe6?
- threat
- 2.Sg4#
- 2.Sd5#
- 1...Rxe4
- 2.Qxb3#
- 1...Rd4
- 2.Sg4#
- 1...Bf5
- 2.Sd5#
- 1...Bh5
- 2.Sd5#
- 1...h5
- 2.Sd5#
- 1...Bxe4!
- threat
- 1.Qxg6?
- threat
- 2.Sg4#
- 2.Sd5#
- 2.Qxg3#
- 2.Qg5#
- 2.Qh6#
- 1...Rxe4
- 2.Qxe4#
- 2.Qxg3#
- 1...Rd4
- 2.Sg4#
- 2.Qxg3#
- 2.Qg5#
- 2.Qh6#
- 1...Bd6
- 2.Sg4#
- 2.Sd5#
- 2.Rc3#
- 1...Bf8
- 2.Sg4#
- 2.Sd5#
- 2.Rc3#
- 2.Qxg3#
- 2.Qg5#
- 1...g2
- 2.Sg4#
- 2.Sd5#
- 2.Qg3#
- 2.Qg5#
- 2.Qh6#
- 1...h5
- 2.Sd5#
- 2.Qxg3#
- 2.Qg5#
- 2.Qh6#
- 1...h6
- 2.Sg4#
- 2.Sd5#
- 2.Qxg3#
- 2.Qxh6#
- 1...hxg6!
- threat
- 1.Qb8?
- threat
- 2.Qxg3#
- 2.Qf4#
- 1...Rxe4
- 2.Qxg3#
- 2.Qxb3#
- 1...Bxe4
- 2.Qf4#
- 1...Bd6
- 2.Rc3#
- 1...Bh5
- 2.Qf4#
- 1...g2
- 2.Qg3#
- 2.Qf4#
- 1...Rxb8!
- threat
- 1.Re6?
- Keys
- 1.Qf8!
- threat
- 2.Qh6#
- 1...Rxe4
- 2.Sd5#
- 1...Bxf8
- 2.Rc3#
- 1...Bxe4
- 2.Sg4#
- 1...Bd6
- 2.Rc3#
- 1...h6
- 2.Qxh6#
- threat
- 1.Qf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- R(d);N_GUARD::QAR(G),XP(a)
- R(d);N_GUARD,XB(D)::QAR(G),XP(a)
- B(e);OGATE::R(E)
- B(f);OGATE::QAB(G)
- Tries
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- B(f);OGATE,P_SPINB(f),XB(D)::QAR2(G),XP(c)
- R(d);::S(F)
- P(g);::S(F)
- Refutation
- R(d);P_SPINR(d),XB(D)
- Try
- Q(G);
- Threat
- DUALS(4)
- Refutation
- B(f);XB(D)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD,P_SPINR(d),XB(D)::QAR(G),XP(a)
- R(d);::S(F)
- B(f);::S(F)
- P(g);::S(F)
- Refutation
- B(f);P_SPINB(f),XB(D)
- Try
- Q(G);XB(f)
- Threat
- DUALS(5)
- Refutation
- P(g);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- B(f);XB(D)::QAB1(G)
- B(e);OGATE::R(E)
- B(f);::QAB1(G)
- Refutation
- R(d);XQ(G)
- Try
- Actual
- Q(G);
- Threat
- QAB(G)
- Vars
- R(d);SBLOCK,XB(D)::S(F)
- B(e);OGATE,XQ(G)::R(E)
- B(f);SBLOCK,XB(D)::S(F)
- B(e);OGATE::R(E)
- P(g);::QAB(G),XP(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).