MESON Chess Problem Database
Problem Display
PID: 41405 (3r1B1b/qB6/p3Q3/1p6/3k3r/N4R1P/3K1N2/1b1n4 w - - 0 1)
Janet, Frank
Chess Amateur (The), 1917
#2
8 + 9
| 3360 | Simple Two-move Themes | 1924 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Qxd5#
- 1...Rd6
- 2.Qxd6#
- 1...Ra8
- 2.Qd5#
- 2.Qd6#
- 1...Rb8
- 2.Qd5#
- 2.Qd6#
- 1...Rc8
- 2.Qd5#
- 2.Qd6#
- 1...Re8
- 2.Qd5#
- 2.Qd6#
- 1...Rxf8
- 2.Qd5#
- 2.Qd6#
- 1...Ba2
- 2.Sc2#
- 2.Rd3#
- 1...Bc2
- 2.Sxc2#
- 1...Bd3
- 2.Rxd3#
- 1...Bf6
- 2.Qxf6#
- 1...Sb2
- 2.Qe3#
- 1...Sxf2
- 2.Qe3#
- 1...Sc3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...a5
- 2.Sxb5#
- 1...Rd5
- Tries
- 1.Rb3?
- threat
- 2.Rb4#
- 1...Rxf8
- 2.Qd5#
- 2.Qd6#
- 1...Rd6
- 2.Qxd6#
- 1...Rc8
- 2.Qd5#
- 2.Qd6#
- 1...Ba2
- 2.Sc2#
- 2.Rd3#
- 1...Bd3
- 2.Rxd3#
- 1...Sb2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...b4
- 2.Rxb4#
- 1...a5
- 2.Sxb5#
- 1...Qc5!
- threat
- 1.Rf4+?
- 1...Be4
- 2.Sc2#
- 2.Qxe4#
- 1...Rxf4!
- 1...Be4
- 1.Rb3?
- Keys
- 1.Sd3!
- 1...Qxb7
- 2.Bc5#
- 1...Rxh3
- 2.Rf4#
- 2.Qg4#
- 2.Qe4#
- 1...Rxf8
- 2.Qd5#
- 2.Qd7#
- 2.Qd6#
- 1...Bxd3
- 2.Rxd3#
- 1...Re4
- 2.Qxe4#
- 1...Qc5
- 2.Bxc5#
- 1...Qb6
- 2.Qxb6#
- 1...Qb8
- 2.Bc5#
- 2.Qb6#
- 1...Qa8
- 2.Bc5#
- 2.Qb6#
- 1...Rf4
- 2.Rxf4#
- 1...Rg4
- 2.Qxg4#
- 1...Rh5
- 2.Rf4#
- 2.Qg4#
- 2.Qe4#
- 1...Rh6
- 2.Rf4#
- 2.Qg4#
- 2.Qe4#
- 1...Rh7
- 2.Rf4#
- 2.Qg4#
- 2.Qe4#
- 1...Rd5
- 2.Qxd5#
- 1...Rd6
- 2.Qxd6#
- 1...Rd7
- 2.Qxd7#
- 1...Ra8
- 2.Qd5#
- 2.Qd7#
- 2.Qd6#
- 1...Rb8
- 2.Qd5#
- 2.Qd7#
- 2.Qd6#
- 1...Rc8
- 2.Qd5#
- 2.Qd7#
- 2.Qd6#
- 1...Re8
- 2.Qd5#
- 2.Qd7#
- 2.Qd6#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 1...Be5
- 2.Qxe5#
- 1...Bf6
- 2.Qxf6#
- 1...Bg7
- 2.Bxg7#
- 1...Sb2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Sc3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...b4
- 2.Qc4#
- 1...a5
- 2.Sxb5#
- 1...Qxb7
- 1.Sd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- R(h);N_GUARD::QAR1(F),XR(h)
- R(h);N_GUARD::QAR2(F),XR(h)
- B(a);N_GUARD::S(C),XB(a)
- B(a);N_GUARD::R1(D),XB(a)
- B(i);N_GUARD::QAB(F),XB(i)
- S(b);N_GUARD::QAB1(F)
- S(b);N_GUARD,XS(B)::QAB1(F)
- S(b);N_GUARD::QAB1(F),XS(b)
- P(f);N_GUARD::S(C),XP(e)
- Tries
- Try
- R(D);
- Threat
- R(D)
- Vars
- R(h);N_GUARD::QAR2(F),XR(h)
- B(a);N_GUARD::R1(D),XB(a)
- S(b);N_GUARD::QAB1(F)
- S(b);N_GUARD::QAB1(F),XS(b)
- P(e);::R(D),XP(e)
- P(f);N_GUARD::S(C),XP(e)
- Refutation
- Q(g);
- Try
- R(D);CHECK
- Refutation
- R(d);XR(D)
- Try
- Actual
- S(B);
- Vars
- Q(g);N_GUARD,XB(G)::B(H)
- B(a);OGATE,XS(B)::R1(D),XB(a)
- R(d);N_GUARD::QAR1(F),XR(d)
- Q(g);N_GUARD::B(H),XQ(g)
- Q(g);N_GUARD::QAB(F),XQ(g)
- R(d);N_GUARD::R(D),XR(d)
- R(d);N_GUARD::QAR(F),XR(d)
- R(h);N_GUARD::QAR1(F),XR(h)
- R(h);N_GUARD::QAR2(F),XR(h)
- R(h);N_GUARD::QAR(F),XR(h)
- B(a);N_GUARD::S(C)
- B(a);N_GUARD::S(C),XB(a)
- B(i);N_GUARD::QAB1(F),XB(i)
- B(i);N_GUARD::QAB(F),XB(i)
- B(i);N_GUARD::B(H),XB(i)
- S(b);N_GUARD::QAB1(F)
- S(b);N_GUARD::QAB1(F),XS(b)
- P(e);N_GUARD::QAR1(F)
- P(f);N_GUARD::S(C),XP(e)
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).