MESON Chess Problem Database
Problem Display
PID: 208099 (8/6PK/5pN1/3P1k2/2R1N1pP/q7/8/8 w - - 0 1)
Teed, Frank Melville
New York Clipper, 1874
#2
7 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sg3#
- 2.Sd6#
- 1...Qb2
- 2.Sg3#
- 2.Sd6#
- 1...Qb4
- 2.Sg3#
- 1...Qc5
- 2.Sg3#
- 1...Qd6
- 2.Sxd6#
- 1...Qe7
- 2.Sg3#
- 1...Qf8
- 2.Sg3#
- 1...Qa1
- 2.Sg3#
- 2.Sd6#
- 1...Qa2
- 2.Sg3#
- 2.Sd6#
- 1...Qb3
- 2.Sd6#
- 1...Qc3
- 2.Sd6#
- 1...Qd3
- 2.Sd6#
- 1...Qe3
- 2.Sd6#
- 1...Qf3
- 2.Sd6#
- 1...Qg3
- 2.Sxg3#
- 1...Qh3
- 2.Sd6#
- 1...Qa4
- 2.Sg3#
- 2.Sd6#
- 1...Qa5
- 2.Sg3#
- 2.Sd6#
- 1...Qa6
- 2.Sg3#
- 1...Qa7
- 2.Sg3#
- 2.Sd6#
- 1...Qa8
- 2.Sg3#
- 2.Sd6#
- 1...Qc1
- Tries
- 1.Ra4?
- 1...Qxa4
- 2.Sg3#
- 2.Sd6#
- 1...Qb4
- 2.Sg3#
- 1...Qc1
- 2.Sg3#
- 2.Sd6#
- 1...Qb2
- 2.Sg3#
- 2.Sd6#
- 1...Qc5
- 2.Sg3#
- 1...Qd6
- 2.Sxd6#
- 1...Qe7
- 2.Sg3#
- 1...Qf8
- 2.Sg3#
- 1...Qa1
- 2.Sg3#
- 2.Sd6#
- 1...Qa2
- 2.Sg3#
- 2.Sd6#
- 1...Qb3
- 2.Sd6#
- 1...Qc3
- 2.Sd6#
- 1...Qd3
- 2.Sd6#
- 1...Qe3
- 2.Sd6#
- 1...Qf3
- 2.Sd6#
- 1...Qg3
- 2.Sxg3#
- 1...Qh3
- 2.Sd6#
- 1...g3!
- 1...Qxa4
- 1.Rd4?
- 1...Qb4
- 2.Sg3#
- 1...Qc1
- 2.Sg3#
- 2.Sd6#
- 1...Qb2
- 2.Sg3#
- 2.Sd6#
- 1...Qc5
- 2.Sg3#
- 1...Qd6
- 2.Sxd6#
- 1...Qe7
- 2.Sg3#
- 1...Qf8
- 2.Sg3#
- 1...Qa1
- 2.Sg3#
- 2.Sd6#
- 1...Qa2
- 2.Sg3#
- 2.Sd6#
- 1...Qb3
- 2.Sd6#
- 1...Qc3
- 2.Sd6#
- 1...Qd3
- 2.Sd6#
- 1...Qe3
- 2.Sd6#
- 1...Qf3
- 2.Sd6#
- 1...Qg3
- 2.Sxg3#
- 1...Qh3
- 2.Sd6#
- 1...Qa4
- 2.Sg3#
- 2.Sd6#
- 1...Qa5
- 2.Sg3#
- 2.Sd6#
- 1...Qa6
- 2.Sg3#
- 1...Qa7
- 2.Sg3#
- 2.Sd6#
- 1...Qa8
- 2.Sg3#
- 2.Sd6#
- 1...g3!
- 1...Qb4
- 1.g8S?
- threat
- 2.Sh6#
- 1...Qe7+
- 2.S8xe7#
- 1...Qc1
- 2.Sg3#
- 2.Sd6#
- 2.S8e7#
- 1...Qf8
- 2.Sg3#
- 1...Qe3
- 2.Sd6#
- 2.S8e7#
- 1...Qa7+!
- threat
- 1.Ra4?
- Keys
- 1.Rb4!
- threat
- 2.Sd6#
- 1...Qxb4
- 2.Sg3#
- 1...Qg3
- 2.Sxg3#
- 1...Qa6
- 2.Sg3#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- Q(a);N_GUARD::S(B)
- Q(a);N_GUARD::S(B),XQ(a)
- Q(a);N_GUARD,P_PINP(F)::S(B)
- Q(a);N_GUARD,P_PINP(C)::S(B)
- Tries
- Try
- R(A);
- Vars
- Q(a);N_GUARD::S(B)
- Q(a);N_GUARD::S(B),XQ(a)
- Q(a);N_GUARD,P_PINP(F)::S(B)
- Q(a);N_GUARD,P_PINP(C)::S(B)
- Refutation
- P(b);
- Try
- R(A);
- Vars
- Q(a);N_GUARD::S(B)
- Q(a);N_GUARD::S(B),XQ(a)
- Q(a);N_GUARD,P_PINP(F)::S(B)
- Q(a);N_GUARD,P_PINP(C)::S(B)
- Refutation
- P(b);
- Try
- P(F);
- Threat
- S(F)
- Vars
- Q(a);CHECK,N_GUARD::S(F),XQ(a)
- Q(a);N_GUARD::S(B)
- Refutation
- Q(a);CHECK
- Try
- Actual
- R(A);
- Threat
- S(B)
- Vars
- Q(a);N_GUARD,XR(A)::S(B)
- Q(a);N_GUARD::S(B),XQ(a)
- Q(a);N_GUARD::S(B)
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).