MESON Chess Problem Database
Problem Display
PID: 69354 (8/4B3/Rb6/5K2/2Rp4/4p1pk/4rp1p/3B1b1Q w - - 0 1)
Barclay, William A
Chess Life, 1968
#2
6 + 9
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Bg4#
- 1...Ra2
- 2.Bg4#
- 1...Rb2
- 2.Bg4#
- 1...Rc2
- 2.Bg4#
- 1...Rd2
- 2.Bg4#
- 1...Ba5
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Ba7
- 2.Rh6#
- 1...Bc7
- 2.Rh6#
- 1...Bd8
- 2.Rh6#
- 1...d3
- 2.Rh4#
- 1...Re1
- Tries
- 1.Rxd4?
- threat
- 2.Rh4#
- 1...Bxd4
- 2.Rh6#
- 1...g2!
- threat
- 1.Rc8?
- threat
- 2.Rh8#
- 1...Bd8
- 2.Rh6#
- 1...g2!
- threat
- 1.Qe4?
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...g2
- 2.Qf3#
- 2.Qg4#
- 2.Qh4#
- 1...Bg2
- 2.Qg4#
- 2.Qh4#
- 1...Re1
- 2.Bg4#
- 1...Ra2
- 2.Bg4#
- 1...Rb2
- 2.Bg4#
- 1...Rc2
- 2.Bg4#
- 1...Rd2
- 2.Bg4#
- 1...Ba5
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Ba7
- 2.Rh6#
- 1...Bc7
- 2.Rh6#
- 1...Bd8
- 2.Rh6#
- 1...d3!
- 1...h1Q
- 1.Qd5?
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...g2
- 2.Qf3#
- 1...Re1
- 2.Bg4#
- 1...Ra2
- 2.Bg4#
- 1...Rb2
- 2.Bg4#
- 1...Rc2
- 2.Bg4#
- 1...Rd2
- 2.Bg4#
- 1...Ba5
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Ba7
- 2.Rh6#
- 1...Bc7
- 2.Rh6#
- 1...Bd8
- 2.Rh6#
- 1...d3
- 2.Rh4#
- 1...Bg2!
- 1...h1Q
- 1.Qb7?
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...g2
- 2.Qf3#
- 1...Re1
- 2.Bg4#
- 1...Ra2
- 2.Bg4#
- 1...Rb2
- 2.Bg4#
- 1...Rc2
- 2.Bg4#
- 1...Rd2
- 2.Bg4#
- 1...Ba5
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Ba7
- 2.Rh6#
- 1...Bc7
- 2.Rh6#
- 1...Bd8
- 2.Rh6#
- 1...d3
- 2.Rh4#
- 1...Bg2!
- 1...h1Q
- 1.Rxd4?
- Keys
- 1.Qa8!
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...g2
- 2.Qf3#
- 1...Bg2
- 2.Qh8#
- 1...Re1
- 2.Bg4#
- 1...Ra2
- 2.Bg4#
- 1...Rb2
- 2.Bg4#
- 1...Rc2
- 2.Bg4#
- 1...Rd2
- 2.Bg4#
- 1...Ba5
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Ba7
- 2.Rh6#
- 1...Bc7
- 2.Rh6#
- 1...Bd8
- 2.Rh6#
- 1...d3
- 2.Rh4#
- 1...h1Q
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(b);OGATE::B(A)
- B(i);OGATE,SBLOCK::R(E)
- B(i);OGATE::R(E)
- P(h);OGATE::R1(C)
- Tries
- Try
- R(C);XP(h)
- Threat
- R1(C)
- Vars
- B(i);OGATE,XR(C)::R(E)
- Refutation
- P(f);
- Try
- R(C);
- Threat
- R(C)
- Vars
- B(i);OGATE::R(E)
- Refutation
- P(f);
- Try
- Q(B);N_PINP(d)
- Vars
- P(d);OGATEB::QAR2(B),XQ(d)
- P(d);OGATEB::QAR2(B),XS(d)
- P(d);OGATEB::QAR2(B),XB(d)
- P(d);OGATEB::QAR2(B),XR(d)
- R(b);OGATE::B(A)
- B(i);OGATE,SBLOCK::R(E)
- B(i);OGATE::R(E)
- Refutation
- P(h);
- Try
- Q(B);N_PINP(d)
- Vars
- P(d);OGATEB::QAR2(B),XQ(d)
- P(d);OGATEB::QAR2(B),XS(d)
- P(d);OGATEB::QAR2(B),XB(d)
- P(d);OGATEB::QAR2(B),XR(d)
- P(f);OGATEB::QAR2(B)
- R(b);OGATE::B(A)
- B(i);OGATE::R(E)
- P(h);OGATE::R1(C)
- Refutation
- B(a);
- Try
- Q(B);N_PINP(d)
- Vars
- P(d);OGATEB::QAR2(B),XQ(d)
- P(d);OGATEB::QAR2(B),XS(d)
- P(d);OGATEB::QAR2(B),XB(d)
- P(d);OGATEB::QAR2(B),XR(d)
- P(f);OGATEB::QAR2(B)
- R(b);OGATE::B(A)
- B(i);OGATE,SBLOCK::R(E)
- B(i);OGATE::R(E)
- P(h);OGATE::R1(C)
- Refutation
- B(a);
- Try
- Actual
- Q(B);N_PINP(d)
- Vars
- P(d);OGATEB::QAR2(B),XQ(d)
- P(d);OGATEB::QAR2(B),XS(d)
- P(d);OGATEB::QAR2(B),XB(d)
- P(d);OGATEB::QAR2(B),XR(d)
- P(f);OGATEB::QAR2(B)
- B(a);SBLOCK::QAR(B)
- R(b);OGATE::B(A)
- B(i);OGATE::R(E)
- P(h);OGATE::R1(C)
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).