MESON Chess Problem Database
Problem Display
PID: 86459 (3R4/K7/pPkpB1P1/r1p5/pp1pp3/8/4NN2/7Q w - - 0 1)
Marandiuk, Mikhail Nazarovich
Rudenko, Valentin Fedorovich
Mat, 1988
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb5
- 2.Rc8#
- 1...Rb5
- Tries
- 1.Qc1?
- threat
- 2.Sxd4#
- 1...Kb5
- 2.Bd7#
- 1...d3
- 2.Sd4#
- 1...c4!
- threat
- 1.Qh5?
- threat
- 2.Bd7#
- 1...Kb5
- 2.Sxd4#
- 1...d5!
- threat
- 1.Qh7?
- threat
- 2.Qd7#
- 1...Kb5
- 2.Qd7#
- 1...c4!
- threat
- 1.Qh8?
- threat
- 2.Qe8#
- 1...Kb5
- 2.Qe8#
- 1...c4!
- threat
- 1.Qc1?
- Keys
- 1.Sxe4!
- threat
- 2.Sxd6#
- 1...Kb5
- 2.Sxd6#
- 1...c4
- 2.Sxd4#
- 1...d5
- 2.Bd7#
- threat
- 1.Sxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(e);SBLOCK::R(H)
- Tries
- Try
- Q(A);N_PINP(d),P_PINP(f)
- Threat
- S(B),XP(c)
- Vars
- K(h);N_SPINP(f),S_FLIGHT::B(E)
- P(c);::S(B)
- Refutation
- P(f);
- Try
- Q(A);N_PINP(d)
- Threat
- B(E)
- Vars
- K(h);P_SPINP(f),S_FLIGHT::S(B),XP(c)
- Refutation
- P(i);
- Try
- Q(A);N_PINP(d)
- Threat
- QAB1(A)
- Vars
- K(h);S_FLIGHT::QAB(A)
- Refutation
- P(f);
- Try
- Q(A);N_PINP(d)
- Threat
- QAB(A)
- Vars
- K(h);S_FLIGHT::QAB(A)
- Refutation
- P(f);
- Try
- Actual
- S(C);XP(d)
- Threat
- QAB(A)+S(C),XP(i)
- Vars
- K(h);S_FLIGHT::S(C),XP(i)
- P(f);N_GUARD::S(B),XP(c)
- P(i);SBLOCK::B(E)
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).