MESON Chess Problem Database
Problem Display
PID: 214668 (2K2R2/4kP1N/8/3P2p1/pppp2pb/RB6/7B/2Q5 w - - 0 1)
Wheeler, Charles Henry
St. Louis Globe Democrat, 1880
#2
9 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Qxg5#
- 2.Qxe1#
- 1...Bf2
- 2.Qxg5#
- 1...axb3
- 2.Ra7#
- 1...bxa3
- 2.Qxa3#
- 1...cxb3
- 2.Qc5#
- 2.Qc7#
- 1...c3
- 2.d6#
- 1...d3
- 2.Qe3#
- 1...Be1
- Tries
- 1.Kc7?
- threat
- 2.Bd6#
- 1...g3
- 2.Qe1#
- 1...Bg3+!
- threat
- 1.Bc7?
- 1...bxa3
- 2.Qxa3#
- 1...cxb3
- 2.Qc5#
- 1...Be1
- 2.Qxg5#
- 2.Qxe1#
- 1...Bf2
- 2.Qxg5#
- 1...Bg3
- 2.Qxg5#
- 1...c3
- 2.d6#
- 1...d3
- 2.Qe3#
- 1...g3
- 2.Qe1#
- 1...axb3!
- 1...bxa3
- 1.Qd2?
- threat
- 2.Qxb4#
- 2.Qe2#
- 1...bxa3
- 2.Qb4#
- 2.Qe2#
- 1...g3
- 2.Qxb4#
- 1...Be1
- 2.Qxe1#
- 2.Qxg5#
- 2.Qe2#
- 1...Bf2
- 2.Qxb4#
- 2.Qxg5#
- 1...c3
- 2.Qe2#
- 2.d6#
- 1...d3
- 2.Qe3#
- 2.Qxb4#
- 1...Bg3!
- threat
- 1.Qf4?
- threat
- 2.Re8#
- 2.Qe5#
- 2.Qd6#
- 2.Qc7#
- 2.Qe4#
- 2.Qf6#
- 1...Bg3
- 2.Re8#
- 2.Qf6#
- 1...g3
- 2.Re8#
- 2.Qe5#
- 2.Qc7#
- 2.Qf6#
- 1...gxf4!
- threat
- 1.Qf1?
- threat
- 2.Re8#
- 2.Qe2#
- 2.Qf6#
- 1...Bg3
- 2.Qf6#
- 1...g3
- 2.Qf6#
- 1...d3
- 2.Re8#
- 2.Qf6#
- 1...Bf2!
- threat
- 1.Qxc4?
- threat
- 2.Qe2#
- 2.Qxb4#
- 2.Qc5#
- 2.Qc7#
- 2.d6#
- 1...bxa3
- 2.Qe2#
- 2.Qb4#
- 2.Qc5#
- 2.Qc7#
- 2.d6#
- 1...g3
- 2.Qxb4#
- 2.Qc5#
- 2.Qc7#
- 1...Bf2
- 2.Qxb4#
- 2.Qc5#
- 2.Qc7#
- 2.d6#
- 1...Be1
- 2.Qe2#
- 2.Qc5#
- 2.Qc7#
- 2.d6#
- 1...d3
- 2.Qxb4#
- 2.Qe4#
- 2.Qc5#
- 2.Qc7#
- 2.d6#
- 1...Bg3!
- threat
- 1.Kc7?
- Keys
- 1.Bb8!
- 1...axb3
- 2.Ra7#
- 1...bxa3
- 2.Qxa3#
- 1...cxb3
- 2.Qc5#
- 2.Qc7#
- 1...Be1
- 2.Qxg5#
- 2.Qxe1#
- 1...Bf2
- 2.Qxg5#
- 1...Bg3
- 2.Qxg5#
- 1...c3
- 2.d6#
- 1...d3
- 2.Qe3#
- 1...g3
- 2.Qe1#
- 1...axb3
- 1.Bb8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(f);N_GUARD::QAB(A),XP(g)
- P(a);OGATE,XB(D)::R(C)
- P(b);OGATE,XR(C)::QAB(A),XP(b)
- P(c);::P(E)
- P(d);N_GUARD::QAR(A)
- Tries
- Try
- K(H);P-FLIGHT
- Threat
- B(B)
- Vars
- P(e);S_CUTB(f)::QAR(A)
- Refutation
- B(f);CHECK
- Try
- B(B);
- Vars
- P(b);OGATE,XR(C)::QAB(A),XP(b)
- P(c);OGATE,XB(D)::QAB(A)
- B(f);N_GUARD::QAB(A),XP(g)
- P(c);::P(E)
- P(d);N_GUARD::QAR(A)
- P(e);S_CUTB(f)::QAR(A)
- Refutation
- P(a);XB(D)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(e);::QAB(A),XP(b)
- Refutation
- B(f);
- Try
- Q(A);
- Threat
- DUALS(6)
- Refutation
- P(g);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(f);::QAB1(A)
- P(e);::QAB1(A)
- Refutation
- B(f);
- Try
- Q(A);XP(c)
- Threat
- DUALS(5)
- Refutation
- B(f);
- Try
- Actual
- B(B);
- Vars
- P(a);OGATE,XB(D)::R(C)
- P(b);OGATE,XR(C)::QAB(A),XP(b)
- B(f);N_GUARD::QAB(A),XP(g)
- P(c);::P(E)
- P(d);N_GUARD::QAR(A)
- P(e);S_CUTB(f)::QAR(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).