MESON Chess Problem Database
Problem Display
PID: 208813 (6Q1/8/5B2/2pp3p/p1k4P/pR3p1R/N7/3K4 w - - 0 1)
Brown, Theodore Morris
Buffalo Globe, 1876
#2
7 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...f2
- 2.Rhc3#
- 1...f2
- Tries
- 1.Kc2?
- 1...f2
- 2.Rhc3#
- 1...axb3+!
- 1...f2
- 1.Rb1?
- 1...f2
- 2.Rc3#
- 1...Kd3!
- 1...f2
- 1.Rb4+?
- 1...Kd3
- 2.Rxf3#
- 1...cxb4!
- 1...Kd3
- 1.Rb6?
- 1...f2
- 2.Rc3#
- 1...Kd3!
- 1...f2
- 1.Rb7?
- 1...f2
- 2.Rc3#
- 1...Kd3!
- 1...f2
- 1.Rb8?
- 1...f2
- 2.Rc3#
- 1...Kd3!
- 1...f2
- 1.Qe6?
- 1...axb3
- 2.Qa6#
- 1...f2
- 2.Rhc3#
- 2.Qe2#
- 2.Qa6#
- 1...Kxb3!
- 1...axb3
- 1.Qh7?
- threat
- 2.Qc2#
- 2.Qd3#
- 1...Kxb3
- 2.Qc2#
- 1...d4
- 2.Qg8#
- 2.Qf7#
- 1...axb3!
- threat
- 1.Qg1?
- 1...axb3
- 2.Qf1#
- 1...d4
- 2.Qg8#
- 1...f2
- 2.Rhc3#
- 2.Qf1#
- 1...Kxb3!
- 1...axb3
- 1.Qg4+?
- 1...Kxb3
- 2.Sc1#
- 1...d4
- 2.Qe6#
- 2.Qg8#
- 1...hxg4!
- 1...Kxb3
- 1.Qg6?
- threat
- 2.Qc2#
- 2.Qd3#
- 1...Kxb3
- 2.Qc2#
- 1...d4
- 2.Qf7#
- 2.Qg8#
- 1...axb3!
- threat
- 1.Qa8?
- threat
- 2.Qxa4#
- 1...axb3
- 2.Qa6#
- 1...d4
- 2.Qg8#
- 1...Kxb3!
- threat
- 1.Qb8?
- threat
- 2.Rc3#
- 2.Qb5#
- 1...d4
- 2.Qg8#
- 1...axb3!
- threat
- 1.Qc8?
- 1...axb3
- 2.Qa6#
- 1...d4
- 2.Qe6#
- 2.Qg8#
- 1...f2
- 2.Rb4#
- 2.Rhc3#
- 2.Qa6#
- 1...Kxb3!
- 1...axb3
- 1.Kc2?
- Keys
- 1.Qg2!
- threat
- 2.Qc2#
- 1...Kxb3
- 2.Qc2#
- 1...fxg2
- 2.Rhc3#
- 1...axb3
- 2.Qf1#
- 1...d4
- 2.Qg8#
- 1...f2
- 2.Rhc3#
- 2.Qf1#
- threat
- 1.Qg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- P(b);OGATE::R1(D)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- P(b);OGATE::R1(D)
- Refutation
- P(c);CHECK,XR(C)
- Try
- R(C);
- Vars
- P(b);OGATE::R1(D)
- Refutation
- K(d);N_SPINP(f),P_SPINP(b),S_FLIGHT
- Try
- R(C);CHECK
- Vars
- K(d);N_SPINP(f),P_SPINP(b),S_FLIGHT::R(D),XP(b)
- Refutation
- P(e);XR(C)
- Try
- R(C);
- Vars
- P(b);OGATE::R1(D)
- Refutation
- K(d);N_SPINP(f),P_SPINP(b),S_FLIGHT
- Try
- R(C);
- Vars
- P(b);OGATE::R1(D)
- Refutation
- K(d);N_SPINP(f),P_SPINP(b),S_FLIGHT
- Try
- R(C);
- Vars
- P(b);OGATE::R1(D)
- Refutation
- K(d);N_SPINP(f),P_SPINP(b),S_FLIGHT
- Try
- Q(G);
- Vars
- P(c);SBLOCK,XR(C)::QAB(G)
- Refutation
- K(d);N_SPINP(f),P_SPINP(b),S_FLIGHT,XR(C)
- Try
- Q(G);N_PINP(f)
- Threat
- DUALS(2)
- Vars
- K(d);P_SPINP(b),S_FLIGHT,XR(C)::QAB1(G)
- Refutation
- P(c);XR(C)
- Try
- Q(G);N_PINP(f)
- Vars
- P(c);SBLOCK,XR(C)::QAB(G)
- P(f);OGATEB::QAB(G)
- Refutation
- K(d);P_SPINP(b),S_FLIGHT,XR(C)
- Try
- Q(G);CHECK,N_PINP(f)
- Vars
- K(d);P_SPINP(b),S_FLIGHT,XR(C)::S(B)
- Refutation
- P(g);XQ(G)
- Try
- Q(G);N_PINP(f)
- Threat
- DUALS(2)
- Vars
- K(d);P_SPINP(b),S_FLIGHT,XR(C)::QAB1(G)
- Refutation
- P(c);XR(C)
- Try
- Q(G);N_PINP(f)
- Threat
- QAR2(G),XP(c)
- Vars
- P(c);SBLOCK,XR(C)::QAB(G)
- P(f);OGATEB::QAB(G)
- Refutation
- K(d);P_SPINP(b),S_FLIGHT,XR(C)
- Try
- Q(G);N_PINP(f)
- Threat
- DUALS(2)
- Vars
- P(f);OGATEB::QAB(G)
- Refutation
- P(c);XR(C)
- Try
- Q(G);N_PINP(f),P_PINP(e)
- Vars
- P(c);SBLOCK,XR(C)::QAB(G)
- Refutation
- K(d);N_SPINP(e),P_SPINP(b),S_FLIGHT,XR(C)
- Try
- Actual
- Q(G);N_PINP(f)
- Threat
- QAR2(G)
- Vars
- K(d);P_SPINP(b),S_FLIGHT,XR(C)::QAB1(G)
- P(b);OGATE,XQ(G)::R1(D)
- P(c);SBLOCK,XR(C)::QAB(G)
- P(f);OGATEB::QAB(G)
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).