MESON Chess Problem Database
Problem Display
PID: 223233 (2Q4B/5q2/3Ppp1R/2bP1k2/5Pp1/3NR1K1/8/8 w - - 0 1)
Barton, Benjamin Grinell
Nashville Daily American, 1886
#2
9 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qh5
- 2.Rxf6#
- 2.Qxe6#
- 1...Qg6
- 2.Qxe6#
- 1...Qe8
- 2.Rxf6#
- 1...Qg8
- 2.Rxf6#
- 1...Qa7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qb7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qc7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qd7
- 2.Rxf6#
- 1...Qg7
- 2.Qxe6#
- 1...Qh7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qf8
- 2.Qxe6#
- 1...Qh5
- Tries
- 1.Sc1?
- 1...Bxe3
- 2.Qc2#
- 1...Bxd6
- 2.Qc2#
- 1...Qh5
- 2.Rxf6#
- 2.Qxe6#
- 1...Qg6
- 2.Qxe6#
- 1...Qe8
- 2.Rxf6#
- 1...Qg8
- 2.Rxf6#
- 1...Qa7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qb7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qc7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qd7
- 2.Rxf6#
- 1...Qg7
- 2.Qxe6#
- 1...Qh7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qf8
- 2.Qxe6#
- 1...Ba3
- 2.Qc2#
- 1...Bb4
- 2.Qc2#
- 1...Bd4
- 2.Qc2#
- 1...Bb6
- 2.Qc2#
- 1...Ba7
- 2.Qc2#
- 1...Qe7!
- 1...Bxe3
- 1.Se1?
- 1...Bxe3
- 2.Qc2#
- 1...Bxd6
- 2.Qc2#
- 1...Qh5
- 2.Rxf6#
- 2.Qxe6#
- 1...Qg6
- 2.Qxe6#
- 1...Qe8
- 2.Rxf6#
- 1...Qg8
- 2.Rxf6#
- 1...Qa7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qb7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qc7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qd7
- 2.Rxf6#
- 1...Qg7
- 2.Qxe6#
- 1...Qh7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qf8
- 2.Qxe6#
- 1...Ba3
- 2.Qc2#
- 1...Bb4
- 2.Qc2#
- 1...Bd4
- 2.Qc2#
- 1...Bb6
- 2.Qc2#
- 1...Ba7
- 2.Qc2#
- 1...Qe7!
- 1...Bxe3
- 1.Sb2?
- 1...Bxe3
- 2.Qc2#
- 1...Bxd6
- 2.Qc2#
- 1...Qh5
- 2.Rxf6#
- 2.Qxe6#
- 1...Qg6
- 2.Qxe6#
- 1...Qe8
- 2.Rxf6#
- 1...Qg8
- 2.Rxf6#
- 1...Qa7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qb7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qc7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qd7
- 2.Rxf6#
- 1...Qg7
- 2.Qxe6#
- 1...Qh7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qf8
- 2.Qxe6#
- 1...Ba3
- 2.Qc2#
- 1...Bb4
- 2.Qc2#
- 1...Bd4
- 2.Qc2#
- 1...Bb6
- 2.Qc2#
- 1...Ba7
- 2.Qc2#
- 1...Qe7!
- 1...Bxe3
- 1.Sf2?
- 1...Bxe3
- 2.Qc2#
- 1...Bxd6
- 2.Qc2#
- 1...Qh5
- 2.Rxf6#
- 2.Qxe6#
- 1...Qg6
- 2.Qxe6#
- 1...Qe8
- 2.Rxf6#
- 1...Qg8
- 2.Rxf6#
- 1...Qa7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qb7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qc7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qd7
- 2.Rxf6#
- 1...Qg7
- 2.Qxe6#
- 1...Qh7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qf8
- 2.Qxe6#
- 1...Ba3
- 2.Qc2#
- 1...Bb4
- 2.Qc2#
- 1...Bd4
- 2.Qc2#
- 1...Bb6
- 2.Qc2#
- 1...Ba7
- 2.Qc2#
- 1...Qe7!
- 1...Bxe3
- 1.Sb4?
- 1...Bxe3
- 2.Qc2#
- 1...Bxb4
- 2.Qc2#
- 1...Bxd6
- 2.Qc2#
- 1...Qh5
- 2.Rxf6#
- 2.Qxe6#
- 1...Qg6
- 2.Qxe6#
- 1...Qe8
- 2.Rxf6#
- 1...Qg8
- 2.Rxf6#
- 1...Qa7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qb7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qc7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qd7
- 2.Rxf6#
- 1...Qg7
- 2.Qxe6#
- 1...Qh7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qf8
- 2.Qxe6#
- 1...Bd4
- 2.Qc2#
- 1...Bb6
- 2.Qc2#
- 1...Ba7
- 2.Qc2#
- 1...Qe7!
- 1...Bxe3
- 1.Sxc5?
- 1...Qh5
- 2.Rxf6#
- 2.Qxe6#
- 1...Qg6
- 2.Qxe6#
- 1...Qe8
- 2.Rxf6#
- 1...Qg8
- 2.Rxf6#
- 1...Qa7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qb7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qc7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qd7
- 2.Rxf6#
- 1...Qg7
- 2.Qxe6#
- 1...Qh7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qf8
- 2.Qxe6#
- 1...Qe7!
- 1...Qh5
- 1.Rxe6?
- threat
- 2.Re5#
- 1...Qxe6
- 2.Qxe6#
- 1...Qd7
- 2.Rhxf6#
- 1...Bf2+!
- threat
- 1.Qg8?
- threat
- 2.Qxg4#
- 1...Qxg8
- 2.Rxf6#
- 1...Qh5
- 2.Rxh5#
- 2.Rxf6#
- 2.Qxe6#
- 1...Qg6
- 2.Qxe6#
- 2.Qxg6#
- 1...Qg7
- 2.Qxe6#
- 1...Bxe3!
- threat
- 1.dxe6?
- threat
- 2.Qxc5#
- 2.exf7#
- 1...Qxe6
- 2.Rxf6#
- 2.Qxe6#
- 1...Bxd6
- 2.exf7#
- 1...Qe7
- 2.Qxc5#
- 1...Qh5
- 2.Rxf6#
- 2.Qxc5#
- 2.e7#
- 1...Qg6
- 2.Qxc5#
- 2.e7#
- 1...Qe8
- 2.Rxf6#
- 2.Qxc5#
- 1...Qg8
- 2.Rxf6#
- 2.Qxc5#
- 1...Qa7
- 2.Rxf6#
- 1...Qb7
- 2.Rxf6#
- 1...Qc7
- 2.Rxf6#
- 1...Qd7
- 2.Rxf6#
- 2.Qxc5#
- 1...Qg7
- 2.Qxc5#
- 2.e7#
- 1...Qh7
- 2.Rxf6#
- 2.Qxc5#
- 2.e7#
- 1...Qf8
- 2.Qxc5#
- 1...Ba3
- 2.exf7#
- 1...Bb4
- 2.exf7#
- 1...Bd4
- 2.exf7#
- 1...Bb6
- 2.exf7#
- 1...Ba7
- 2.exf7#
- 1...Bxe3!
- threat
- 1.Sc1?
- Keys
- 1.Se5!
- 1...Bxe3
- 2.Qc2#
- 1...Bxd6
- 2.Qc2#
- 1...fxe5
- 2.Rxe5#
- 1...Qe7
- 2.Rh5#
- 1...Qh5
- 2.Rxh5#
- 2.Rxf6#
- 2.Qxe6#
- 1...Qg6
- 2.Qxe6#
- 1...Qe8
- 2.Rxf6#
- 1...Qg8
- 2.Rxf6#
- 1...Qa7
- 2.Rh5#
- 2.Rxf6#
- 2.Qxe6#
- 1...Qb7
- 2.Rh5#
- 2.Rxf6#
- 2.Qxe6#
- 1...Qc7
- 2.Rh5#
- 2.Rxf6#
- 2.Qxe6#
- 1...Qd7
- 2.Rh5#
- 2.Rxf6#
- 1...Qg7
- 2.Qxe6#
- 1...Qh7
- 2.Rxf6#
- 2.Qxe6#
- 1...Qf8
- 2.Rh5#
- 2.Qxe6#
- 1...Ba3
- 2.Qc2#
- 1...Bb4
- 2.Qc2#
- 1...Bd4
- 2.Qc2#
- 1...Bb6
- 2.Qc2#
- 1...Ba7
- 2.Qc2#
- 1...Bxe3
- 1.Se5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 2
- Sets
- Q(f);N_GUARD::QAB1(H),XP(d)
- Q(f);N_GUARD::R1(G),XP(e)
- Q(f);N_GUARD,N_SPINP(d)::R1(G),XP(e)
- Tries
- Try
- S(A);
- Vars
- B(b);OGATE,XR(B)::QAB(H)
- B(b);OGATE,P_PINP(D),XP(F)::QAB(H)
- Q(f);N_GUARD::QAB1(H),XP(d)
- Q(f);N_GUARD::R1(G),XP(e)
- Q(f);N_GUARD,N_SPINP(d)::R1(G),XP(e)
- B(b);OGATE::QAB(H)
- Refutation
- Q(f);
- Try
- S(A);
- Vars
- B(b);OGATE,XR(B)::QAB(H)
- B(b);OGATE,P_PINP(D),XP(F)::QAB(H)
- Q(f);N_GUARD::QAB1(H),XP(d)
- Q(f);N_GUARD::R1(G),XP(e)
- Q(f);N_GUARD,N_SPINP(d)::R1(G),XP(e)
- B(b);OGATE::QAB(H)
- Refutation
- Q(f);
- Try
- S(A);
- Vars
- B(b);OGATE,XR(B)::QAB(H)
- B(b);OGATE,P_PINP(D),XP(F)::QAB(H)
- Q(f);N_GUARD::QAB1(H),XP(d)
- Q(f);N_GUARD::R1(G),XP(e)
- Q(f);N_GUARD,N_SPINP(d)::R1(G),XP(e)
- B(b);OGATE::QAB(H)
- Refutation
- Q(f);
- Try
- S(A);
- Vars
- B(b);OGATE,XR(B)::QAB(H)
- B(b);OGATE,P_PINP(D),XP(F)::QAB(H)
- Q(f);N_GUARD::QAB1(H),XP(d)
- Q(f);N_GUARD::R1(G),XP(e)
- Q(f);N_GUARD,N_SPINP(d)::R1(G),XP(e)
- B(b);OGATE::QAB(H)
- Refutation
- Q(f);
- Try
- S(A);
- Vars
- B(b);OGATE,XR(B)::QAB(H)
- B(b);OGATE,XS(A)::QAB(H)
- B(b);OGATE,P_PINP(D),XP(F)::QAB(H)
- Q(f);N_GUARD::QAB1(H),XP(d)
- Q(f);N_GUARD::R1(G),XP(e)
- Q(f);N_GUARD,N_SPINP(d)::R1(G),XP(e)
- B(b);OGATE::QAB(H)
- Refutation
- Q(f);
- Try
- S(A);XB(b)
- Vars
- Q(f);N_GUARD::QAB1(H),XP(d)
- Q(f);N_GUARD::R1(G),XP(e)
- Q(f);N_GUARD,N_SPINP(d)::R1(G),XP(e)
- Refutation
- Q(f);
- Try
- R(B);XP(d)
- Threat
- QAB(H)+R(B),DCHECK
- Vars
- Q(f);OGATE,P_SPINQ(f),XR(B)::QAB1(H),XQ(f)
- Q(f);N_GUARD::R1(G),XP(e)
- Refutation
- B(b);CHECK
- Try
- Q(H);N_PINP(d)
- Threat
- QAB1(H),XP(a)
- Vars
- Q(f);N_GUARD,XQ(H)::R1(G),XP(e)
- Q(f);OGATE::QAB1(H),XP(d)
- Refutation
- B(b);XR(B)
- Try
- P(E);XP(d)
- Threat
- DUALS(2)
- Vars
- B(b);P_PINP(D),XP(F)::QAB(H)+P(E),XQ(f)
- Q(f);::QAR(H),XB(b)
- Q(f);N_GUARD::R1(G),XP(e)
- B(b);::QAB(H)+P(E),XQ(f)
- Refutation
- B(b);XR(B)
- Try
- Actual
- S(A);
- Vars
- B(b);OGATE,XR(B)::QAB(H)
- B(b);OGATE,XP(F)::QAB(H)
- P(e);OGATE,XS(A)::R1(B),XP(e)
- Q(f);N_GUARD::R(G)
- Q(f);N_GUARD::QAB1(H),XP(d)
- Q(f);N_GUARD::R1(G),XP(e)
- B(b);OGATE::QAB(H)
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).