MESON Chess Problem Database
Problem Display
PID: 109232 (6rk/6pp/6R1/8/3Q4/p2K4/B2P4/8 w - - 0 1)
Ramsey, Robert Henry
Pittsburgh Gazette, 1903
#2
5 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...hxg6
- 2.Qh4#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...Ra8
- Tries
- 1.Kc2?
- 1...hxg6
- 2.Qh4#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 2.Qxd8#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rc8+!
- 1...hxg6
- 1.Ke2?
- 1...hxg6
- 2.Qh4#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 2.Qxd8#
- 1...Rf8
- 2.Qxg7#
- 1...Re8+!
- 1...hxg6
- 1.Kc3?
- 1...hxg6
- 2.Qh4#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 2.Qxd8#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rc8+!
- 1...hxg6
- 1.Ke3?
- 1...hxg6
- 2.Qh4#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 2.Qxd8#
- 1...Rf8
- 2.Qxg7#
- 1...Re8+!
- 1...hxg6
- 1.Kc4?
- 1...hxg6
- 2.Qh4#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 2.Qxd8#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...Rc8+!
- 1...hxg6
- 1.Bb1?
- 1...hxg6
- 2.Qh4#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...a2!
- 1...hxg6
- 1.Bb3?
- 1...hxg6
- 2.Qh4#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...a2!
- 1...hxg6
- 1.Bc4?
- 1...hxg6
- 2.Qh4#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...a2!
- 1...hxg6
- 1.Bd5?
- 1...hxg6
- 2.Qh4#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...a2!
- 1...hxg6
- 1.Be6?
- 1...hxg6
- 2.Qh4#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...a2!
- 1...hxg6
- 1.Bf7?
- 1...hxg6
- 2.Qh4#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...a2!
- 1...hxg6
- 1.Bxg8?
- threat
- 2.Qxg7#
- 1...Kxg8
- 2.Qxg7#
- 1...hxg6!
- threat
- 1.Rg5?
- 1...h5
- 2.Rxh5#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...h6!
- 1...h5
- 1.Qa1?
- 1...hxg6
- 2.Qh1#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rd8+!
- 1...hxg6
- 1.Qe5?
- 1...hxg6
- 2.Qh2#
- 1...h5
- 2.Rh6#
- 2.Qxh5#
- 1...h6
- 2.Rxh6#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 2.Qxb8#
- 1...Rc8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 2.Qxe8#
- 1...Rf8
- 2.Qxg7#
- 1...Rd8+!
- 1...hxg6
- 1.Qd8?
- threat
- 2.Qxg8#
- 1...Re8
- 2.Qxe8#
- 1...Rf8
- 2.Qxf8#
- 1...Rxd8+!
- threat
- 1.Kc2?
- Keys
- 1.Qf6!
- 1...Rd8+
- 2.Qxd8#
- 1...gxf6
- 2.Rxg8#
- 1...hxg6
- 2.Qh4#
- 1...h5
- 2.Rh6#
- 1...h6
- 2.Rxh6#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 2.Qxf8#
- 1...Rd8+
- 1.Qf6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- R(d);OGATEB,P_PINQ(D)::QAR(D),XR(d)
- P(c);OGATEB,XR(E)::QAR(D)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- P(c);OGATEB,XR(E)::QAR(D)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- R(d);CHECK
- Try
- K(C);S_FLIGHT
- Vars
- P(c);OGATEB,XR(E)::QAR(D)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- R(d);CHECK
- Try
- K(C);P-FLIGHT
- Vars
- P(c);OGATEB,XR(E)::QAR(D)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- R(d);CHECK
- Try
- K(C);P-FLIGHT
- Vars
- P(c);OGATEB,XR(E)::QAR(D)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- R(d);CHECK
- Try
- K(C);S_FLIGHT
- Vars
- P(c);OGATEB,XR(E)::QAR(D)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- Refutation
- R(d);CHECK
- Try
- B(A);
- Vars
- P(c);OGATEB,XR(E)::QAR(D)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- R(d);OGATEB,P_PINQ(D)::QAR(D),XR(d)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- P(c);OGATEB,XR(E)::QAR(D)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- R(d);OGATEB,P_PINQ(D)::QAR(D),XR(d)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- P(c);OGATEB,XR(E)::QAR(D)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- R(d);OGATEB,P_PINQ(D)::QAR(D),XR(d)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- P(c);OGATEB,XR(E)::QAR(D)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- R(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- P(c);OGATEB,XR(E)::QAR(D)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- R(d);OGATEB,P_PINQ(D)::QAR(D),XR(d)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- P(c);OGATEB,XR(E)::QAR(D)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- R(d);OGATEB,P_PINQ(D)::QAR(D),XR(d)
- Refutation
- P(a);
- Try
- B(A);XR(d)
- Threat
- QAB1(D),XP(b)
- Vars
- K(e);P-FLIGHT,XB(A)::QAR1(D),XP(b)
- Refutation
- P(c);XR(E)
- Try
- R(E);
- Vars
- P(c);OGATEB::R(E),XP(c)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- R(d);OGATEB,P_PINQ(D)::QAR(D),XR(d)
- Refutation
- P(c);
- Try
- Q(D);
- Vars
- P(c);OGATEB,XR(E)::QAB(D)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- R(d);CHECK
- Try
- Q(D);
- Vars
- P(c);OGATEB,XR(E)::QAR(D)
- P(c);OGATEB::R(E),XP(c)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- R(d);CHECK
- Try
- Q(D);N_PINP(b),P_PINR(d)
- Threat
- QAR1(D),XR(d)
- Vars
- R(d);OGATEB::QAR(D),XR(d)
- R(d);OGATEB::QAR2(D),XR(d)
- Refutation
- R(d);CHECK,N_SPINR(d),XQ(D)
- Try
- Actual
- Q(D);
- Vars
- R(d);CHECK,OGATEB::QAR(D),XR(d)
- P(b);N_SPINP(b),OGATE,XQ(D)::R1(E),XR(d)
- P(c);OGATEB,XR(E)::QAR(D)
- P(c);OGATEB::R(E)
- P(c);OGATEB::R(E),XP(c)
- R(d);N_GUARD,SBLOCK::QAB1(D),XP(b)
- R(d);N_GUARD::QAB1(D),XP(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).