MESON Chess Problem Database
Problem Display
PID: 223215 (3Q4/6N1/3b3r/1b1q4/1p1k1n1R/1P1N1B2/3K4/8 w - - 0 1)
Fayesse, J
Nashville Daily American, 1886
#2
7 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qxb3
- 2.Rxf4#
- 1...Qc4
- 2.Sf5#
- 2.Rxf4#
- 1...Qc6
- 2.Sf5#
- 1...Qb7
- 2.Sf5#
- 1...Qa8
- 2.Sf5#
- 1...Qg8
- 2.Sf5#
- 2.Rxf4#
- 1...Qc5
- 2.Rxf4#
- 1...Qf5
- 2.Sxf5#
- 1...Qh5
- 2.Rxf4#
- 1...Bc5
- 2.Sf5#
- 2.Rxf4#
- 2.Qxd5#
- 1...Be5
- 2.Sf5#
- 2.Qxd5#
- 1...Bc7
- 2.Sf5#
- 2.Qxd5#
- 1...Be7
- 2.Sf5#
- 2.Rxf4#
- 2.Qxd5#
- 1...Bb8
- 2.Sf5#
- 2.Qxd5#
- 1...Bf8
- 2.Sf5#
- 2.Rxf4#
- 2.Qxd5#
- 1...Qxb3
- Tries
- 1.Qb6+?
- 1...Qc5
- 2.Sf5#
- 1...Bc5!
- 1...Qc5
- 1.Qf6+?
- 1...Qe5
- 2.Sf5#
- 2.Se6#
- 2.Rxf4#
- 1...Be5
- 2.Sf5#
- 1...Rxf6!
- 1...Qe5
- 1.Qxd6?
- threat
- 2.Sf5#
- 2.Rxf4#
- 2.Qxd5#
- 1...Qxd6
- 2.Sf5#
- 1...Rxh4
- 2.Sf5#
- 1...Bxd3
- 2.Qxd5#
- 1...Rh5
- 2.Se6#
- 2.Rxf4#
- 1...Re6
- 2.Sf5#
- 2.Sxe6#
- 2.Qxd5#
- 1...Rf6
- 2.Qxd5#
- 1...Bc4
- 2.Sf5#
- 2.Rxf4#
- 1...Bc6
- 2.Sf5#
- 2.Rxf4#
- 1...Bd7
- 2.Rxf4#
- 2.Qxd5#
- 1...Rxd6!
- threat
- 1.Qb6+?
- Keys
- 1.Qa8!
- threat
- 2.Qxd5#
- 2.Qa1#
- 1...Qxb3
- 2.Qe4#
- 1...Qxf3
- 2.Sf5#
- 1...Qxa8
- 2.Sf5#
- 1...Rxh4
- 2.Qa1#
- 1...Bxd3
- 2.Qxd5#
- 1...Qc4
- 2.Sf5#
- 2.Qe4#
- 1...Qe4
- 2.Qxe4#
- 1...Qc6
- 2.Sf5#
- 1...Qe6
- 2.Qa1#
- 1...Qb7
- 2.Sf5#
- 2.Qa1#
- 1...Qf7
- 2.Qe4#
- 2.Qa1#
- 1...Qg8
- 2.Sf5#
- 2.Qe4#
- 2.Qa1#
- 1...Qc5
- 2.Qe4#
- 1...Qe5
- 2.Qa1#
- 1...Qf5
- 2.Sxf5#
- 2.Qa1#
- 1...Qg5
- 2.Qe4#
- 2.Qa1#
- 1...Qh5
- 2.Qe4#
- 2.Qa1#
- 1...Rh5
- 2.Qa1#
- 1...Ba4
- 2.Qxd5#
- 1...Bc4
- 2.Qa1#
- 1...Ba6
- 2.Qxd5#
- 1...Bc6
- 2.Qa1#
- threat
- 1.Qa8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 11
- REMOVED MATES = 3
- Sets
- Q(e);N_GUARD,P_SPINB(f),XP(B)::R(E),XS(c)
- Q(e);N_GUARD,P_SPINB(f)::S(F)
- Q(e);N_GUARD,P_SPINB(f)::R(E),XS(c)
- Q(e);N_GUARD,P_SPINB(f)::S(F),XQ(e)
- Tries
- Try
- Q(G);CHECK
- Vars
- Q(e);P_SPINQ(e)::S(F)
- Refutation
- B(f);P_SPINB(f)
- Try
- Q(G);CHECK
- Vars
- B(f);P_SPINB(f)::S(F)
- Refutation
- R(g);XQ(G)
- Try
- Q(G);P_PINQ(e),XB(f)
- Threat
- DUALS(3)
- Vars
- Q(e);N_SPINQ(e),XQ(G)::S(F)
- R(g);N_SPINS(c),XR(E)::S(F)
- B(d);XS(C)::QAR1(G),XQ(e)
- R(g);::QAR1(G),XQ(e)
- Refutation
- R(g);N_SPINQ(e),XQ(G)
- Try
- Actual
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(e);OGATE,XP(B)::QAR1(G)
- Q(e);N_GUARD,XB(D)::S(F)
- Q(e);N_GUARD,XQ(G)::S(F)
- R(g);N_SPINS(c),XR(E)::QAB(G)
- B(d);XS(C)::QAR1(G),XQ(e)
- Q(e);N_SPINS(c),OGATE::QAR1(G),XQ(e)
- Q(e);N_GUARD::S(F)
- Q(e);::QAB(G)
- Q(e);OGATE::QAR1(G)
- R(g);::QAB(G)
- B(d);::QAR1(G),XQ(e)
- B(d);::QAB(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).