MESON Chess Problem Database
Problem Display
PID: 193613 (6Q1/rp6/1N6/k5K1/2B5/1R3p2/3r1R2/4b3 w - - 0 1)
Keeney, Ebenezer Wood
Keeney, Palmer Gunkel
Pittsburgh Gazette-Times, 1915
#2
6 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Ra2#
- 1...Ra2
- 2.Rxa2#
- 2.Qd5#
- 1...Rb2
- 2.Qd5#
- 1...Rc2
- 2.Qd5#
- 1...Re2
- 2.Qd5#
- 1...Rxf2
- 2.Qd5#
- 1...Rd3
- 2.Ra2#
- 1...Rd4
- 2.Ra2#
- 1...Rd5+
- 2.Qxd5#
- 1...Rd6
- 2.Ra2#
- 1...Rd7
- 2.Ra2#
- 1...Rd8
- 2.Ra2#
- 1...Ra6
- 2.Rb5#
- 1...Ra8
- 2.Qxa8#
- 1...Rd1
- Tries
- 1.Kf5?
- 1...Rd5+
- 2.Qxd5#
- 1...Rxf2
- 2.Qd5#
- 1...Rd1
- 2.Ra2#
- 1...Ra2
- 2.Rxa2#
- 2.Qd5#
- 1...Rb2
- 2.Qd5#
- 1...Rc2
- 2.Qd5#
- 1...Re2
- 2.Qd5#
- 1...Rd3
- 2.Ra2#
- 1...Rd4
- 2.Ra2#
- 1...Rd6
- 2.Ra2#
- 1...Rd7
- 2.Ra2#
- 1...Rd8
- 2.Ra2#
- 1...Ra6
- 2.Rb5#
- 1...Ra8
- 2.Qxa8#
- 1...Bxf2!
- 1...Rd5+
- 1.Kh5?
- 1...Rd5+
- 2.Qxd5#
- 1...Rxf2
- 2.Qd5#
- 2.Qg5#
- 1...Rd1
- 2.Ra2#
- 1...Ra2
- 2.Rxa2#
- 2.Qd5#
- 2.Qg5#
- 1...Rb2
- 2.Qd5#
- 2.Qg5#
- 1...Rc2
- 2.Qd5#
- 2.Qg5#
- 1...Re2
- 2.Qd5#
- 1...Rd3
- 2.Ra2#
- 1...Rd4
- 2.Ra2#
- 1...Rd6
- 2.Ra2#
- 1...Rd7
- 2.Ra2#
- 1...Rd8
- 2.Ra2#
- 1...Ra6
- 2.Rb5#
- 1...Ra8
- 2.Qxa8#
- 1...Bxf2!
- 1...Rd5+
- 1.Qb8?
- threat
- 2.Qxa7#
- 1...Ra8
- 2.Qxa8#
- 1...Ra6
- 2.Rb5#
- 1...Rd5+!
- threat
- 1.Qe8?
- threat
- 2.Qa4#
- 2.Qb5#
- 1...Ra2
- 2.Rxa2#
- 2.Qb5#
- 2.Qe5#
- 1...Rd7
- 2.Ra2#
- 1...Rd5+!
- threat
- 1.Qf8?
- threat
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...Rxf2
- 2.Qa3#
- 2.Qc5#
- 2.Qf5#
- 1...Bxf2
- 2.Qa3#
- 2.Qb4#
- 1...Rd1
- 2.Ra2#
- 2.Qa3#
- 2.Qc5#
- 1...Ra2
- 2.Rxa2#
- 2.Qc5#
- 2.Qf5#
- 1...Rb2
- 2.Qa3#
- 2.Qc5#
- 2.Qf5#
- 1...Rc2
- 2.Qa3#
- 2.Qc5#
- 2.Qf5#
- 1...Re2
- 2.Qa3#
- 2.Qc5#
- 1...Rd3
- 2.Ra2#
- 2.Qa3#
- 2.Qc5#
- 1...Rd4
- 2.Ra2#
- 2.Qa3#
- 2.Qc5#
- 1...Rd6
- 2.Ra2#
- 1...Rd7
- 2.Ra2#
- 2.Qa3#
- 2.Qc5#
- 1...Rd8
- 2.Ra2#
- 2.Qa3#
- 2.Qc5#
- 1...Rd5+!
- threat
- 1.Kf5?
- Keys
- 1.Qd8!
- 1...Rd5+
- 2.Qxd5#
- 1...Rxf2
- 2.Qd5#
- 1...Rxd8
- 2.Ra2#
- 1...Bxf2
- 2.Qxd2#
- 1...Ra8
- 2.Qxa8#
- 1...Rd1
- 2.Ra2#
- 1...Ra2
- 2.Rxa2#
- 2.Qd5#
- 1...Rb2
- 2.Qd5#
- 1...Rc2
- 2.Qd5#
- 1...Re2
- 2.Qd5#
- 1...Rd3
- 2.Ra2#
- 1...Rd4
- 2.Ra2#
- 1...Rd6
- 2.Ra2#
- 1...Rd7
- 2.Ra2#
- 1...Ra6
- 2.Rb5#
- 1...Rd5+
- 1.Qd8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);OGATE::R(A)
- R(b);N_GUARD::QAR(F)
- R(b);N_GUARD,XR(A)::QAR(F)
- R(b);CHECK,N_GUARD::QAR(F),XR(b)
- R(e);SBLOCK::R1(B)
- R(e);OGATEB::QAR(F),XR(e)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- R(b);CHECK,N_GUARD::QAR(F),XR(b)
- R(b);N_GUARD,XR(A)::QAR(F)
- R(b);OGATE::R(A)
- R(b);N_GUARD::QAR(F)
- R(e);SBLOCK::R1(B)
- R(e);OGATEB::QAR(F),XR(e)
- Refutation
- B(a);XR(A)
- Try
- K(D);P-FLIGHT
- Vars
- R(b);CHECK,N_GUARD::QAR(F),XR(b)
- R(b);OGATE::R(A)
- R(b);N_GUARD::QAR(F)
- R(e);SBLOCK::R1(B)
- R(e);OGATEB::QAR(F),XR(e)
- Refutation
- B(a);XR(A)
- Try
- Q(F);
- Threat
- QAR2(F),XR(e)
- Vars
- R(e);OGATEB::QAR(F),XR(e)
- R(e);SBLOCK::R1(B)
- Refutation
- R(b);CHECK
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(b);OGATE::R(A)
- Refutation
- R(b);CHECK
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- R(b);OGATE::R(A)
- Refutation
- R(b);CHECK
- Try
- Actual
- Q(F);
- Vars
- R(b);CHECK,N_GUARD::QAR(F),XR(b)
- R(b);N_GUARD,XR(A)::QAR(F)
- R(b);OGATE,XQ(F)::R(A)
- B(a);N_GUARD,XR(A)::QAB(F),XR(b)
- R(e);OGATEB::QAR(F),XR(e)
- R(b);OGATE::R(A)
- R(b);N_GUARD::QAR(F)
- R(e);SBLOCK::R1(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).