MESON Chess Problem Database
Problem Display
PID: 179172 (1Q6/2pn2r1/1b4N1/6rN/R1P1k3/6pB/4K3/B7 w - - 0 1)
Bienabe, Alain
Phenix, 2014
#2
8 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra5
- 2.Sxg3#
- 1...Rb5
- 2.Sxg3#
- 1...Rc5
- 2.Sxg3#
- 1...Rd5
- 2.Sxg3#
- 1...Re5
- 2.Sxg3#
- 1...Rf5
- 2.Sxg3#
- 1...Bg1
- 2.Qb1#
- 1...Bf2
- 2.Qb1#
- 1...Be3
- 2.Qb1#
- 1...Bd4
- 2.Qb1#
- 1...Ba5
- 2.Qb1#
- 1...Bc5
- 2.Qb1#
- 1...Ba7
- 2.Qb1#
- 1...Sc5
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sxb8
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...c5
- 2.Qf4#
- 1...c6
- 2.Qf4#
- 1...Ra5
- Tries
- 1.Bf5+?
- 1...Rxf5
- 2.Sxg3#
- 1...Kxf5!
- 1...Rxf5
- 1.Qxb6?
- threat
- 2.Qe3#
- 2.Qd4#
- 2.Qb1#
- 1...Sxb6
- 2.Sf6#
- 1...Rg4
- 2.Qb1#
- 1...Rb5
- 2.Sxg3#
- 2.Qe3#
- 2.Qd4#
- 1...Rc5
- 2.Sxg3#
- 2.Qb1#
- 1...Rd5
- 2.Sxg3#
- 2.Qe3#
- 1...Sc5
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 2.Qe3#
- 2.Qd4#
- 1...c5
- 2.Qb1#
- 1...cxb6!
- threat
- 1.Qb7+?
- 1...Rd5
- 2.Sxg3#
- 2.Qxd5#
- 2.c5#
- 1...c6!
- 1...Rd5
- 1.Qa8+?
- 1...Rd5
- 2.Sxg3#
- 2.Qxd5#
- 2.c5#
- 1...c6!
- 1...Rd5
- 1.Qe8+?
- 1...Re5
- 2.Sxg3#
- 1...Se5
- 2.Sf6#
- 1...Re7!
- 1...Re5
- 1.Qf8?
- threat
- 2.Bg2#
- 2.Qf3#
- 2.Qf4#
- 1...Sxf8
- 2.Sf6#
- 1...Rg4
- 2.Bg2#
- 2.Qf3#
- 1...Rf5
- 2.Sxg3#
- 2.Bxf5#
- 2.Qxf5#
- 1...Be3
- 2.Bg2#
- 2.Qf3#
- 1...Se5
- 2.Sf6#
- 2.Qf4#
- 1...Sf6
- 2.Sxf6#
- 1...g2
- 2.Qf3#
- 2.Qf4#
- 1...Rf7!
- threat
- 1.Bf5+?
- Keys
- 1.Be6!
- threat
- 2.c5#
- 1...Ra5
- 2.Sxg3#
- 1...Rb5
- 2.Sxg3#
- 1...Rc5
- 2.Sxg3#
- 1...Rd5
- 2.Sxg3#
- 1...Bg1
- 2.Qb1#
- 1...Bf2
- 2.Qb1#
- 1...Be3
- 2.Qb1#
- 1...Bd4
- 2.Qb1#
- 1...Ba5
- 2.Qb1#
- 1...Bc5
- 2.Qb1#
- 1...Sc5
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 1...c5
- 2.Qf4#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- R(c);N_GUARD::S(F),XP(a)
- B(d);OGATE::QAB(H)
- S(f);N_GUARD::S(F)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD,XQ(H)::S(F)
- P(e);OGATE::QAR1(H)
- Tries
- Try
- B(C);CHECK
- Vars
- R(c);XB(C)::S(F),XP(a)
- Refutation
- K(b);S_FLIGHT,XB(C)
- Try
- Q(H);XB(d)
- Threat
- DUALS(3)
- Vars
- S(f);N_GUARD,XQ(H)::S(F)
- R(c);::QAB(H)
- S(f);N_GUARD::S(F)
- P(e);::QAB(H)
- Refutation
- P(e);XQ(H)
- Try
- Q(H);CHECK
- Refutation
- P(e);P_SPINP(e)
- Try
- Q(H);CHECK
- Refutation
- P(e);P_SPINP(e)
- Try
- Q(H);CHECK
- Vars
- R(c);P_SPINR(c)::S(F),XP(a)
- S(f);P_SPINS(f)::S(F)
- Refutation
- R(g);P_SPINR(g)
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- S(f);N_GUARD,XQ(H)::S(F)
- S(f);N_GUARD::S(F),XS(f)
- Refutation
- R(g);
- Try
- Actual
- B(C);
- Threat
- R(D)+P(E)
- Vars
- R(c);N_GUARD::S(F),XP(a)
- B(d);OGATE::QAB(H)
- S(f);N_GUARD::S(F)
- P(e);OGATE::QAR1(H)
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).