MESON Chess Problem Database
Problem Display
PID: 214726 (2R3K1/5Q2/R1b1N1p1/3k4/2N3P1/3rp3/P7/5B2 w - - 0 1)
Anonymous
Detroit Free Press (Centennial Ty.), 1877
#2
9 + 5
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Bg2#
- 1...Ba4
- 2.Bg2#
- 2.Qf3#
- 1...Bb5
- 2.Bg2#
- 2.Qf3#
- 1...Bb7
- 2.Bg2#
- 2.Qf3#
- 2.Qxb7#
- 1...Bd7
- 2.Bg2#
- 2.Qf3#
- 1...Ba8
- 2.Bg2#
- 2.Qf3#
- 1...Be8
- 2.Bg2#
- 2.Qf3#
- 1...Ke4
- Tries
- 1.Bxd3?
- 1...Ba4
- 2.Rd6#
- 2.Rc5#
- 2.Qf3#
- 1...Bb5
- 2.Rd6#
- 2.Rc5#
- 2.Qf3#
- 1...Bb7
- 2.Ra5#
- 2.Rd6#
- 2.Rc5#
- 2.Rd8#
- 2.Qf3#
- 2.Qxb7#
- 2.Qd7#
- 1...Bd7
- 2.Rd6#
- 2.Rc5#
- 2.Qf3#
- 2.Qxd7#
- 1...Ba8
- 2.Ra5#
- 2.Rd6#
- 2.Rc5#
- 2.Rd8#
- 2.Qf3#
- 2.Qd7#
- 1...Be8
- 2.Rd6#
- 2.Rc5#
- 2.Qf3#
- 1...g5
- 2.Qf5#
- 1...e2!
- 1...Ba4
- 1.Ra5+?
- 1...Ke4
- 2.Bg2#
- 2.Re5#
- 2.Qf4#
- 1...Bb5
- 2.Bg2#
- 1...Kxc4!
- 1...Ke4
- 1.Raxc6?
- threat
- 2.Bg2#
- 2.Qf3#
- 1...Ke4
- 2.Bg2#
- 1...Rd2
- 2.Qf3#
- 1...Rd4
- 2.Sc5#
- 2.Sg5#
- 1...e2!
- threat
- 1.Rcxc6?
- threat
- 2.Bg2#
- 2.Qf3#
- 1...Ke4
- 2.Bg2#
- 1...Rd2
- 2.Qf3#
- 1...Rd4
- 2.Sc5#
- 2.Sg5#
- 1...e2!
- threat
- 1.Qe8?
- threat
- 2.Qxc6#
- 1...Ke4
- 2.Bg2#
- 1...Bxe8
- 2.Bg2#
- 1...Ba4
- 2.Bg2#
- 1...Bb5
- 2.Bg2#
- 1...Bb7
- 2.Bg2#
- 1...Bd7
- 2.Bg2#
- 1...Ba8
- 2.Bg2#
- 1...Kxc4!
- threat
- 1.Qf3+?
- 1...Kxe6
- 2.Qf7#
- 1...Kxc4!
- 1...Kxe6
- 1.Qf5+?
- 1...Kxc4
- 2.Qc5#
- 1...gxf5!
- 1...Kxc4
- 1.Qc7?
- threat
- 2.Qxc6#
- 1...Ke4
- 2.Bg2#
- 1...Kxe6
- 2.Qf7#
- 1...Ba4
- 2.Bg2#
- 2.Qe5#
- 1...Bb5
- 2.Bg2#
- 2.Qe5#
- 1...Bb7
- 2.Bg2#
- 2.Qe5#
- 2.Qxb7#
- 1...Bd7
- 2.Bg2#
- 2.Qe5#
- 1...Ba8
- 2.Bg2#
- 2.Qe5#
- 1...Be8
- 2.Bg2#
- 2.Qe5#
- 1...Kxc4!
- threat
- 1.Qd7+?
- 1...Ke4
- 2.Bg2#
- 1...Bxd7
- 2.Bg2#
- 1...Kxc4!
- 1...Ke4
- 1.Bxd3?
- Keys
- 1.Qb7!
- threat
- 2.Qxc6#
- 1...Kxc4
- 2.Qb3#
- 1...Ke4
- 2.Bg2#
- 1...Kxe6
- 2.Qf7#
- 1...Bxb7
- 2.Bg2#
- threat
- 1.Qb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT::B(A)
- Tries
- Try
- B(A);XR(a)
- Vars
- P(e);N_GUARD::QAR2(G)
- Refutation
- P(b);
- Try
- R(E);CHECK
- Vars
- B(d);P_SPINB(d)::B(A)
- Refutation
- K(c);P_SPINB(d),P_SPINR(a),S_FLIGHT,XS(C)
- Try
- R(E);XB(d)
- Threat
- DUALS(2)
- Vars
- K(c);S_FLIGHT::B(A)
- R(a);::QAB(G)
- Refutation
- P(b);
- Try
- R(H);XB(d)
- Threat
- DUALS(2)
- Vars
- K(c);S_FLIGHT::B(A)
- R(a);::QAB(G)
- Refutation
- P(b);
- Try
- Q(G);
- Threat
- QAB1(G),XB(d)
- Vars
- K(c);S_FLIGHT::B(A)
- B(d);XQ(G)::B(A)
- B(d);::B(A)
- Refutation
- K(c);P_SPINB(d),P_SPINR(a),S_FLIGHT,XS(C)
- Try
- Q(G);CHECK
- Vars
- K(c);OGATEB,P_SPINB(d),S_FLIGHT,XS(F)::QAB1(G)
- Refutation
- K(c);P_SPINB(d),P_SPINR(a),S_FLIGHT,XS(C)
- Try
- Q(G);CHECK
- Vars
- K(c);OGATE,P_SPINB(d),P_SPINR(a),S_FLIGHT,XS(C)::QAR1(G)
- Refutation
- P(e);XQ(G)
- Try
- Q(G);
- Threat
- QAB1(G),XB(d)
- Vars
- K(c);S_FLIGHT::B(A)
- K(c);OGATEB,P_SPINB(d),S_FLIGHT,XS(F)::QAB1(G)
- Refutation
- K(c);P_SPINB(d),P_SPINR(a),S_FLIGHT,XS(C)
- Try
- Q(G);CHECK
- Vars
- K(c);S_FLIGHT::B(A)
- B(d);XQ(G)::B(A)
- Refutation
- K(c);P_SPINB(d),P_SPINR(a),S_FLIGHT,XS(C)
- Try
- Actual
- Q(G);P_PINB(d)
- Threat
- QAB1(G),XB(d)
- Vars
- K(c);OGATEB,P_SPINR(a),S_FLIGHT,XS(C)::QAB1(G)
- K(c);S_FLIGHT::B(A)
- K(c);OGATEB,S_FLIGHT,XS(F)::QAB1(G)
- B(d);N_SPINB(d),XQ(G)::B(A)
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).