MESON Chess Problem Database
Problem Display
PID: 177761 (R7/4K3/3P4/B3k3/2pN2R1/1n3P2/3rp1B1/8 w - - 0 1)
Bukreev, A
2nd HM., Sahs (Latvia), 1989
#2
8 + 5
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sxa5
- 2.Rxa5#
- 1...Sxa5
- Tries
- 1.Sc6+?
- 1...Kf5
- 2.Rf8#
- 1...Kd5!
- 1...Kf5
- 1.Se6?
- threat
- 2.Rg5#
- 1...Kd5
- 2.f4#
- 1...Kf5
- 2.Rg5#
- 1...Sd4!
- threat
- 1.Bc3?
- threat
- 2.f4#
- 1...Kd5
- 2.Rg5#
- 1...Sxd4
- 2.Ra5#
- 1...Rxd4!
- threat
- 1.Rag8?
- threat
- 2.R8g5#
- 1...Kd5
- 2.R8g5#
- 1...Sxd4!
- threat
- 1.Rh8?
- threat
- 2.Rh5#
- 1...Kd5
- 2.Rh5#
- 1...Sxd4!
- threat
- 1.Sc6+?
- Keys
- 1.Rf8!
- threat
- 2.Rf5#
- 1...Kd5
- 2.Rf5#
- 1...Rxd4
- 2.Rg5#
- 1...Sxd4
- 2.f4#
- threat
- 1.Rf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- S(c);OGATE,XB(E)::R(H),XS(c)
- Tries
- Try
- S(C);CHECK
- Vars
- K(e);P-FLIGHT::R(H)
- Refutation
- K(e);P-FLIGHT
- Try
- S(C);
- Threat
- R(D)
- Vars
- K(e);P-FLIGHT::B(A)+P(B)
- K(e);P-FLIGHT::R1(D)
- Refutation
- S(c);
- Try
- B(E);
- Threat
- P(B)
- Vars
- K(e);P-FLIGHT::R(D)
- S(c);N_GUARD,P_SPINS(c),XS(C)::R(H)
- Refutation
- R(a);P_SPINR(a),XS(C)
- Try
- R(H);
- Threat
- R(H)
- Vars
- K(e);P-FLIGHT::R(H)
- Refutation
- S(c);XS(C)
- Try
- R(H);
- Threat
- R(H)
- Vars
- K(e);P-FLIGHT::R(H)
- Refutation
- S(c);XS(C)
- Try
- Actual
- R(H);
- Threat
- R1(H)
- Vars
- K(e);P-FLIGHT::R(H)
- R(a);SBLOCK,XS(C)::R(D)
- S(c);SBLOCK,XS(C)::P(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).