MESON Chess Problem Database
Problem Display
PID: 107683 (8/8/2p2Kp1/2Rb1pR1/1p1Nk2p/3pPp2/3P1P2/4N3 w - - 0 1)
Barbosa, Albernardes P
Source?, 2005
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Re5#
- 1...Bb3
- 2.Re5#
- 1...Bc4
- 2.Re5#
- 1...Be6
- 2.Re5#
- 1...Bf7
- 2.Re5#
- 1...Bg8
- 2.Re5#
- 1...f4
- 2.Re5#
- 1...Ba2
- Tries
- 1.Sb3?
- 1...Bxb3
- 2.Re5#
- 1...Bc4
- 2.Re5#
- 1...Be6
- 2.Re5#
- 1...Bf7
- 2.Re5#
- 1...Bg8
- 2.Re5#
- 1...f4
- 2.Re5#
- 1...h3!
- 1...Bxb3
- 1.Rg4+?
- 1...f4
- 2.Rxf4#
- 1...fxg4!
- 1...f4
- 1.Rxf5?
- threat
- 2.Rf4#
- 2.Re5#
- 1...g5
- 2.Re5#
- 1...gxf5!
- threat
- 1.Sb3?
- Keys
- 1.Se2!
- 1...dxe2
- 2.d3#
- 1...fxe2
- 2.f3#
- 1...b3
- 2.Sc3#
- 1...Ba2
- 2.Re5#
- 1...Bb3
- 2.Re5#
- 1...Bc4
- 2.Re5#
- 1...Be6
- 2.Re5#
- 1...Bf7
- 2.Re5#
- 1...Bg8
- 2.Re5#
- 1...h3
- 2.Sg3#
- 1...f4
- 2.Re5#
- 1...dxe2
- 1.Se2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- B(f);OGATE::R1(F)
- P(g);OGATE::R1(G)
- Tries
- Try
- S(E);
- Vars
- B(f);OGATE,XS(E)::R1(F)
- B(f);OGATE::R1(F)
- P(g);OGATE::R1(G)
- Refutation
- P(e);
- Try
- R(G);CHECK
- Vars
- P(g);P_SPINP(g)::R1(G),XP(g)
- Refutation
- P(g);XR(G)
- Try
- R(G);XP(g)
- Threat
- DUALS(2)
- Vars
- P(i);::R1(G)
- Refutation
- P(i);XR(G)
- Try
- Actual
- S(E);
- Vars
- P(a);OGATE,XS(E)::P(B)
- P(b);OGATE,XS(E)::P(C)
- P(c);N_GUARD::S(E)
- B(f);OGATE::R1(F)
- P(e);N_GUARD::S(E)
- P(g);OGATE::R1(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).