MESON Chess Problem Database
Problem Display
PID: 87935 (2b2b2/prPBQ3/1R5p/4P3/2ppp2P/Rn1kBPp1/K2Pp3/N5N1 w - - 0 1)
Segers, Marcel
The Problemist, 1990
#2
13 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...c3
- 2.Bb5#
- 1...dxe3
- 2.Rd6#
- 1...exf3
- 2.Qh7#
- 1...c3
- Tries
- 1.Bb5?
- threat
- 2.Rxb3#
- 1...dxe3
- 2.Rd6#
- 1...exf3!
- threat
- 1.Raxb3+?
- 1...c3
- 2.Bb5#
- 1...cxb3+!
- 1...c3
- 1.Qc5?
- threat
- 2.Qxd4#
- 1...dxe3
- 2.Qxe3#
- 2.Qd5#
- 1...c3
- 2.Bb5#
- 2.Qb5#
- 1...Bxc5!
- threat
- 1.Qd6?
- threat
- 2.Qxd4#
- 1...c3
- 2.Bb5#
- 1...Bxd6!
- threat
- 1.Qh7?
- threat
- 2.Qxe4#
- 1...c3
- 2.Bb5#
- 1...dxe3!
- threat
- 1.Bb5?
- Keys
- 1.Sh3!
- threat
- 2.Sf4#
- 1...dxe3
- 2.Rd6#
- 1...exf3
- 2.Qh7#
- 1...c3
- 2.Bb5#
- threat
- 1.Sh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(e);N_SPINS(b),OGATEB::B(L)
- P(f);OGATEB,XB(F)::R(J)
- P(g);OGATEB,XP(G)::QAB(M)
- Tries
- Try
- B(L);P_PINP(e)
- Threat
- R(E),XS(b)
- Vars
- P(f);OGATEB,XB(F)::R(J)
- Refutation
- P(g);XP(G)
- Try
- R(E);CHECK,XS(b)
- Vars
- P(e);P_SPINP(e)::B(L)
- Refutation
- P(e);CHECK,XR(E)
- Try
- Q(M);
- Threat
- QAR1(M),XP(f)
- Refutation
- B(l);XQ(M)
- Try
- Q(M);P_PINP(f)
- Threat
- QAR1(M),XP(f)
- Vars
- P(e);N_SPINS(b),OGATEB::B(L)
- Refutation
- B(l);N_SPINP(f),XQ(M)
- Try
- Q(M);P_PINP(g)
- Threat
- QAB1(M),XP(g)
- Vars
- P(e);N_SPINS(b),OGATEB::B(L)
- Refutation
- P(f);XB(F)
- Try
- Actual
- S(B);
- Threat
- S(B)
- Vars
- P(f);OGATEB,XB(F)::R(J)
- P(g);OGATEB,XP(G)::QAB(M)
- P(e);N_SPINS(b),OGATEB::B(L)
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).