MESON Chess Problem Database
Problem Display
PID: 224392 (6Br/8/6Q1/8/6p1/7k/R7/2K4N w - - 0 1)
Densmore, Darso James
Columbia Chess Chronicle, 1888
#2
5 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kh4
- 2.Rh2#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Rh7
- 2.Qxh7#
- 1...Rxg8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...g3
- 2.Qxg3#
- 1...Kh4
- Tries
- 1.Kb1?
- 1...Kh4
- 2.Rh2#
- 1...Rxg8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Rh7
- 2.Qxh7#
- 1...g3
- 2.Qxg3#
- 1...Rh4!
- 1...Kh4
- 1.Kd1?
- 1...Kh4
- 2.Rh2#
- 1...Rxg8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Rh7
- 2.Qxh7#
- 1...g3
- 2.Qxg3#
- 1...Rh4!
- 1...Kh4
- 1.Be6?
- threat
- 2.Qxg4#
- 1...Kh4
- 2.Rh2#
- 2.Qxg4#
- 1...Rh4
- 2.Qd3#
- 1...Rg8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Rc8+!
- threat
- 1.Bh7?
- threat
- 2.Qh5#
- 2.Qh6#
- 1...Kh4
- 2.Rh2#
- 2.Qh6#
- 1...Rxh7
- 2.Qxh7#
- 1...g3
- 2.Qh5#
- 2.Qxg3#
- 1...Rc8+!
- threat
- 1.Rb2?
- 1...Kh4
- 2.Rh2#
- 1...Rxg8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Rh7
- 2.Qxh7#
- 1...g3
- 2.Qxg3#
- 1...Rh4!
- 1...Kh4
- 1.Rc2?
- 1...Kh4
- 2.Rh2#
- 1...Rxg8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Rh7
- 2.Qxh7#
- 1...g3
- 2.Qxg3#
- 1...Rh4!
- 1...Kh4
- 1.Rd2?
- 1...Kh4
- 2.Rh2#
- 1...Rxg8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Rh7
- 2.Qxh7#
- 1...g3
- 2.Qxg3#
- 1...Rh4!
- 1...Kh4
- 1.Re2?
- 1...Kh4
- 2.Rh2#
- 1...Rxg8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Rh7
- 2.Qxh7#
- 1...g3
- 2.Qxg3#
- 1...Rh4!
- 1...Kh4
- 1.Rf2?
- 1...Kh4
- 2.Rh2#
- 1...Rxg8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Rh7
- 2.Qxh7#
- 1...g3
- 2.Qxg3#
- 1...Rh4!
- 1...Kh4
- 1.Qd3+?
- 1...g3
- 2.Qxg3#
- 1...Kh4!
- 1...g3
- 1.Qf5?
- 1...Kh4
- 2.Rh2#
- 1...Rxg8
- 2.Qh7#
- 2.Qh5#
- 1...Rh4
- 2.Qf1#
- 1...Rh5
- 2.Qxh5#
- 1...Rh7
- 2.Qxh7#
- 1...Rh6!
- 1...Kh4
- 1.Qd6?
- threat
- 2.Rh2#
- 2.Qh2#
- 2.Qg3#
- 1...g3
- 2.Qxg3#
- 1...Kh4!
- threat
- 1.Kb1?
- Keys
- 1.Bc4!
- 1...Kh4
- 2.Rh2#
- 1...Rh4
- 2.Bf1#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Rh7
- 2.Qxh7#
- 1...Ra8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Rb8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Rc8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Rd8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Re8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Rf8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...Rg8
- 2.Qh5#
- 2.Qh7#
- 2.Qh6#
- 1...g3
- 2.Qxg3#
- 1...Kh4
- 1.Bc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(a);P-FLIGHT::R(C)
- R(c);N_GUARD::QAR2(D),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- P(b);OGATE::QAR1(D),XP(b)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- K(a);P-FLIGHT::R(C)
- R(c);N_GUARD::QAR2(D),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- P(b);OGATE::QAR1(D),XP(b)
- Refutation
- R(c);
- Try
- K(A);P-FLIGHT
- Vars
- K(a);P-FLIGHT::R(C)
- R(c);N_GUARD::QAR2(D),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- P(b);OGATE::QAR1(D),XP(b)
- Refutation
- R(c);
- Try
- B(E);P_PINP(b)
- Threat
- QAB1(D),XP(b)
- Vars
- R(c);SBLOCK::QAR(D)
- Refutation
- R(c);CHECK
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,XB(E)::QAR(D),XR(c)
- Refutation
- R(c);CHECK
- Try
- R(C);
- Vars
- K(a);P-FLIGHT::R(C)
- R(c);N_GUARD::QAR2(D),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- P(b);OGATE::QAR1(D),XP(b)
- Refutation
- R(c);
- Try
- R(C);
- Vars
- K(a);P-FLIGHT::R(C)
- R(c);N_GUARD::QAR2(D),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- P(b);OGATE::QAR1(D),XP(b)
- Refutation
- R(c);
- Try
- R(C);
- Vars
- K(a);P-FLIGHT::R(C)
- R(c);N_GUARD::QAR2(D),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- P(b);OGATE::QAR1(D),XP(b)
- Refutation
- R(c);
- Try
- R(C);
- Vars
- K(a);P-FLIGHT::R(C)
- R(c);N_GUARD::QAR2(D),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- P(b);OGATE::QAR1(D),XP(b)
- Refutation
- R(c);
- Try
- R(C);
- Vars
- K(a);P-FLIGHT::R(C)
- R(c);N_GUARD::QAR2(D),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- P(b);OGATE::QAR1(D),XP(b)
- Refutation
- R(c);
- Try
- Q(D);CHECK
- Vars
- P(b);P_SPINP(b)::QAR1(D),XP(b)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(D);P_PINP(b)
- Vars
- K(a);N_SPINP(b),P-FLIGHT::R(C)
- R(c);SBLOCK::QAB(D)
- R(c);N_GUARD::QAR2(D),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- Refutation
- R(c);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- P(b);::QAR1(D),XP(b)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- B(E);
- Vars
- K(a);P-FLIGHT::R(C)
- R(c);SBLOCK::B(E)
- R(c);N_GUARD::QAR2(D),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- P(b);OGATE::QAR1(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).