MESON Chess Problem Database
Problem Display
PID: 175984 (2b1rN2/2Kn1Q1p/2p4N/4k2r/2P1p1R1/2P5/7b/8 w - - 0 1)
Rice, John Michael
2nd Prize, Sachova skladba, 2009
#2
7 + 9
| 3485 | Sachova skladba | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Rh3
- 2.Rg5#
- 2.Qf5#
- 1...Rh4
- 2.Rg5#
- 2.Qf5#
- 1...Rf5
- 2.Qxf5#
- 1...Rg5
- 2.Rxg5#
- 1...Rxh6
- 2.Rg5#
- 1...Re6
- 2.Qxe6#
- 1...Re7
- 2.Qxe7#
- 1...Rd8
- 2.Qe6#
- 2.Qe7#
- 1...Rxf8
- 2.Qe7#
- 1...Bg1
- 2.Qf4#
- 1...Bf4
- 2.Qxf4#
- 1...Ba6
- 2.Sxd7#
- 1...Bb7
- 2.Sxd7#
- 1...Sc5
- 2.Qg7#
- 1...Sb6
- 2.Qg7#
- 1...Sb8
- 2.Qg7#
- 1...Rh3
- Tries
- 1.Sg8?
- threat
- 2.Qxh5#
- 1...Sxf8
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Rh3
- 2.Rg5#
- 1...Rh4
- 2.Rg5#
- 1...Rf5
- 2.Qxe8#
- 1...Rg5
- 2.Rxg5#
- 1...Rh6
- 2.Rg5#
- 1...Bf4
- 2.Qxf4#
- 1...Sc5
- 2.Qf6#
- 1...Sb6
- 2.Qf6#
- 1...Sb8
- 2.Qf6#
- 1...Rxf8!
- threat
- 1.Rf4?
- threat
- 2.Sg4#
- 1...Rxh6
- 2.Rf5#
- 2.Qf5#
- 1...Sxf8
- 2.Qf6#
- 1...Rf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Sf6
- 2.Qxf6#
- 1...Rh4
- 2.Rf5#
- 2.Qf5#
- 1...Sc5
- 2.Qf6#
- 1...Sb6
- 2.Qf6#
- 1...Sb8
- 2.Qf6#
- 1...Rg5!
- threat
- 1.Rg6?
- threat
- 2.Sg4#
- 1...Rxh6
- 2.Rg5#
- 1...Sxf8
- 2.Qf6#
- 1...Rf5
- 2.Qxf5#
- 1...Sf6
- 2.Qxf6#
- 1...Rh4
- 2.Rg5#
- 2.Qf5#
- 1...Rg5
- 2.Rxg5#
- 1...Sc5
- 2.Qf6#
- 1...Sb6
- 2.Qf6#
- 1...Sb8
- 2.Qf6#
- 1...e3!
- threat
- 1.Qg6?
- threat
- 2.Sf7#
- 2.Rxe4#
- 2.Qd6#
- 1...Rxh6
- 2.Rxe4#
- 2.Qg5#
- 1...Rxf8
- 2.Rxe4#
- 2.Qd6#
- 1...Rh4
- 2.Sf7#
- 2.Qf5#
- 2.Qg5#
- 2.Qd6#
- 1...Rf5
- 2.Qxf5#
- 2.Qd6#
- 1...Re6
- 2.Sf7#
- 2.Rxe4#
- 2.Qxe6#
- 1...Re7
- 2.Rxe4#
- 2.Qd6#
- 1...Bf4
- 2.Sf7#
- 2.Qd6#
- 1...Sc5
- 2.Sf7#
- 2.Qd6#
- 2.Qg7#
- 1...Sf6
- 2.Sf7#
- 1...e3
- 2.Sf7#
- 2.Re4#
- 2.Qd6#
- 1...hxg6!
- threat
- 1.Qf3?
- threat
- 2.Sf7#
- 2.Rxe4#
- 1...Rxh6
- 2.Rxe4#
- 2.Rg5#
- 1...Rxf8
- 2.Rxe4#
- 1...Sxf8
- 2.Rxe4#
- 1...Rf5
- 2.Qxf5#
- 1...Bf4
- 2.Qxf4#
- 1...Rh4
- 2.Sf7#
- 2.Rg5#
- 2.Qf5#
- 1...Re7
- 2.Rxe4#
- 1...Sc5
- 2.Sf7#
- 1...Sf6
- 2.Sf7#
- 1...e3
- 2.Sf7#
- 2.Re4#
- 1...exf3!
- threat
- 1.Sg8?
- Keys
- 1.Sxh7!
- threat
- 2.Qxe8#
- 1...Rxh6
- 2.Rg5#
- 1...Re6
- 2.Qxh5#
- 1...Re7
- 2.Qxe7#
- 1...Rd8
- 2.Qe7#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qe7#
- 1...Rh8
- 2.Qe7#
- 1...Sc5
- 2.Qf6#
- 1...Sb6
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sb8
- 2.Qf6#
- 1...Sf8
- 2.Qf6#
- threat
- 1.Sxh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 5
- REMOVED MATES = 6
- Sets
- R(d);N_GUARD::QAR1(F),XR(d)
- R(d);N_GUARD::R(C),XR(d)
- R(d);N_GUARD,XS(D)::R(C)
- R(i);N_GUARD::QAR1(F),XR(i)
- R(i);N_GUARD::QAR2(F),XR(i)
- R(i);N_GUARD,XS(G)::QAR2(F)
- B(a);N_GUARD::QAB1(F)
- B(a);N_GUARD::QAB1(F),XB(a)
- B(h);N_GUARD::S(G),XS(f)
- S(f);N_GUARD::QAB(F)
- Tries
- Try
- S(D);
- Threat
- QAR(F),XR(d)
- Vars
- S(f);N_GUARD,XS(G)::QAB1(F)
- S(f);N_GUARD::QAB1(F),XS(f)
- R(d);N_GUARD::R(C)
- R(d);SBLOCK::QAR(F),XR(i)
- R(d);N_GUARD::R(C),XR(d)
- B(a);N_GUARD::QAB1(F),XB(a)
- S(f);N_GUARD::QAB1(F)
- Refutation
- R(i);XS(G)
- Try
- R(C);
- Threat
- S(D)
- Vars
- S(f);N_GUARD,XS(G)::QAB1(F)
- S(f);N_GUARD::QAB1(F),XS(f)
- S(f);N_GUARD::QAB1(F)
- Refutation
- R(d);
- Try
- R(C);
- Threat
- S(D)
- Vars
- R(d);N_GUARD,XS(D)::R(C)
- S(f);N_GUARD,XS(G)::QAB1(F)
- R(d);N_GUARD::QAR1(F),XR(d)
- S(f);N_GUARD::QAB1(F),XS(f)
- R(d);N_GUARD::R(C),XR(d)
- S(f);N_GUARD::QAB1(F)
- Refutation
- P(b);
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- S(f);::S(D)
- Refutation
- P(g);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(i);XS(G)::R1(C),XP(b)
- S(f);XS(G)::R1(C),XP(b)
- R(d);N_GUARD::QAR1(F),XR(d)
- B(a);N_GUARD::QAB1(F),XB(a)
- R(i);::R1(C),XP(b)
- S(f);::S(D)
- Refutation
- P(b);XQ(F)
- Try
- Actual
- S(G);XP(g)
- Threat
- QAR(F),XR(i)
- Vars
- R(d);N_GUARD,XS(D)::R(C)
- R(i);SBLOCK::QAR(F),XR(d)
- R(i);N_GUARD::QAR2(F),XR(i)
- R(i);N_GUARD::QAR2(F)
- S(f);N_GUARD::QAB1(F)
- S(f);N_GUARD::QAB1(F),XS(f)
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).