MESON Chess Problem Database
Problem Display
PID: 145710 (7B/2KBp3/1p2R3/3k2r1/4pp1r/1n6/1nR2Q2/3N4 w - - 0 1)
Murashev, Pavel Aleksandrovich
2nd Prize, Sykina MT, 2009
#2
7 + 9
| 23 | Die Schwalbe | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Re5#
- 1...Rg2
- 2.Re5#
- 1...Rg3
- 2.Re5#
- 1...Rg4
- 2.Re5#
- 1...Re5
- 2.Rxe5#
- 1...Rg6
- 2.Re5#
- 1...Rg8
- 2.Re5#
- 1...Sc4
- 2.Sc3#
- 1...Sa1
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...e3
- 2.Qf3#
- 1...f3
- 2.Se3#
- 1...Rg1
- Tries
- 1.Rc5+?
- 1...Sxc5
- 2.Qd4#
- 1...bxc5!
- 1...Sxc5
- 1.Rxe4?
- threat
- 2.Sc3#
- 2.Bc6#
- 1...Sxd1
- 2.Bc6#
- 1...Rh3
- 2.Bc6#
- 1...Rh6
- 2.Sc3#
- 1...Rg3
- 2.Bc6#
- 2.Re5#
- 1...Re5
- 2.Sc3#
- 2.Rxe5#
- 1...Rg6
- 2.Sc3#
- 2.Re5#
- 1...Sa4
- 2.Bc6#
- 1...Sd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Sa5
- 2.Sc3#
- 2.Rd4#
- 2.Qd4#
- 1...e5
- 2.Sc3#
- 1...Kxe4!
- threat
- 1.Rxe7?
- threat
- 2.Bc6#
- 2.Be6#
- 1...Rxh8
- 2.Bc6#
- 1...Re5
- 2.Bc6#
- 2.Rxe5#
- 1...Rg6
- 2.Re5#
- 1...Rg7
- 2.Bc6#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Be6#
- 2.Qd4#
- 1...Sc5
- 2.Bc6#
- 2.Qd4#
- 1...e3
- 2.Bc6#
- 2.Qf3#
- 1...Rh6!
- threat
- 1.Qe2?
- threat
- 2.Qxe4#
- 1...Sc4
- 2.Qxc4#
- 1...Sd2
- 2.Qb5#
- 1...Sc5
- 2.Sc3#
- 1...e3
- 2.Qf3#
- 1...f3
- 2.Se3#
- 1...Re5!
- threat
- 1.Qxf4?
- threat
- 2.Se3#
- 2.Qxg5#
- 1...Rxf4
- 2.Se3#
- 1...Rxh8
- 2.Qxe4#
- 1...Sxd1
- 2.Qxg5#
- 1...Re5
- 2.Qxe5#
- 1...Rg7
- 2.Qe5#
- 1...Rh3
- 2.Qxg5#
- 2.Qxe4#
- 1...Rhg4
- 2.Se3#
- 1...Rhh5
- 2.Se3#
- 2.Qxe4#
- 1...Rg1
- 2.Se3#
- 2.Qe5#
- 2.Qf5#
- 1...Rg2
- 2.Se3#
- 2.Qe5#
- 2.Qf5#
- 1...Rg3
- 2.Qe5#
- 2.Qf5#
- 1...Rgg4
- 2.Se3#
- 2.Qe5#
- 2.Qf5#
- 1...Rf5
- 2.Se3#
- 2.Qxf5#
- 1...Rgh5
- 2.Se3#
- 1...Rg6
- 2.Se3#
- 2.Qe5#
- 2.Qf5#
- 1...Rg8
- 2.Se3#
- 2.Qe5#
- 2.Qf5#
- 1...Sd3
- 2.Se3#
- 1...Sd4
- 2.Se3#
- 1...e3
- 2.Sxe3#
- 2.Qxg5#
- 1...Sc4!
- threat
- 1.Rc5+?
- Keys
- 1.Qe3!
- threat
- 2.Qxe4#
- 1...fxe3
- 2.Sxe3#
- 1...Re5
- 2.Rxe5#
- 1...Sc4
- 2.Sc3#
- 1...Sd2
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...f3
- 2.Qxg5#
- threat
- 1.Qe3!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- R(g);N_GUARD::R1(D)
- R(g);N_GUARD::R1(D),XR(g)
- S(a);SBLOCK::S(A)
- S(b);N_GUARD::QAR1(C)
- S(b);N_GUARD::QAR1(C),XS(b)
- P(c);OGATEB::QAB(C)
- P(d);N_GUARD::S(A)
- Tries
- Try
- R(B);CHECK
- Vars
- S(b);XR(B)::QAR1(C)
- Refutation
- P(h);XR(B)
- Try
- R(D);XP(c)
- Threat
- DUALS(2)
- Vars
- S(a);XS(A)::B(F)
- R(e);::B(F)
- R(e);::S(A)
- S(a);::B(F)
- P(i);::S(A)
- Refutation
- K(f);S_FLIGHT,XR(D)
- Try
- R(D);XP(i)
- Threat
- DUALS(2)
- Vars
- R(e);XB(G)::B(F)
- R(g);N_GUARD::R1(D)
- R(g);::B(F)
- S(b);N_GUARD::QAR1(C),XS(b)
- Refutation
- R(e);
- Try
- Q(C);
- Threat
- QAB1(C),XP(c)
- Vars
- S(a);N_GUARD::QAB1(C),XS(a)
- S(b);N_GUARD::QAR2(C)
- S(b);SBLOCK::S(A)
- P(c);OGATEB::QAB(C)
- P(d);N_GUARD::S(A)
- Refutation
- R(g);
- Try
- Q(C);XP(d)
- Threat
- DUALS(2)
- Vars
- R(e);XQ(C)::S(A)
- R(e);N_GUARD,XB(G)::QAB1(C),XP(c)
- S(a);XS(A)::QAR(C),XR(g)
- R(g);N_GUARD::QAR1(C),XR(g)
- R(g);N_GUARD::QAR1(C)
- R(e);::S(A)
- R(g);::S(A)
- S(a);::S(A)
- S(b);::S(A)
- Refutation
- S(a);
- Try
- Actual
- Q(C);
- Threat
- QAB1(C),XP(c)
- Vars
- P(d);XQ(C)::S(A),XP(d)
- R(g);N_GUARD::R1(D),XR(g)
- S(a);SBLOCK::S(A)
- S(b);N_GUARD::QAR1(C)
- P(d);OGATE::QAR(C),XR(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).