MESON Chess Problem Database
Problem Display
PID: 56494 (N2k1q2/3PR3/6R1/bb6/5p1B/n3n3/1Q6/6K1 w - - 0 1)
Mosiashvili, Givi
1st Prize, StrateGems, 2005
#2
7 + 7
| 145 | StrateGems | 2007 |
| 56 | The Problemist | 2007 |
| 23 | Die Schwalbe | 2011 |
| 15323 | FIDE Album (2004-2006) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qg7
- 2.Rexg7#
- 1...Qf7
- 2.Rxf7#
- 1...Qg8
- 2.Rxg8#
- 2.Rf7#
- 2.Reg7#
- 2.Rh7#
- 1...Qh8
- 2.Qxh8#
- 1...Bf1
- 2.Qb8#
- 1...Be2
- 2.Qb8#
- 1...Bd3
- 2.Qb8#
- 1...Ba4
- 2.Qb8#
- 1...Bc4
- 2.Qb8#
- 1...Bc6
- 2.Qb8#
- 1...Qg7
- Tries
- 1.Rg8?
- threat
- 2.Rf7#
- 2.Reg7#
- 2.Rh7#
- 2.Rxf8#
- 1...Qxg8+
- 2.Rg7#
- 1...Qe8
- 2.Rf7#
- 2.Reg7#
- 2.Rh7#
- 2.Rgxe8#
- 1...Be1
- 2.Rxf8#
- 1...Bc3
- 2.Rxf8#
- 1...Bb4
- 2.Rxf8#
- 1...Sg2
- 2.Rxf8#
- 1...Sg4
- 2.Rxf8#
- 1...Sd5
- 2.Rxf8#
- 1...Sf5
- 2.Rxf8#
- 1...Bxd7!
- threat
- 1.Reg7+?
- 1...Qf6
- 2.Bxf6#
- 2.Qxf6#
- 1...Qe7!
- 1...Qf6
- 1.Rh7+?
- 1...Qf6
- 2.Bxf6#
- 2.Rg8#
- 2.Qxf6#
- 1...Qe7!
- 1...Qf6
- 1.Qd4?
- threat
- 2.Re8#
- 1...Qxe7
- 2.Rg8#
- 1...Bxd7
- 2.Qxd7#
- 1...Qe8
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Sd5!
- threat
- 1.Qe5?
- threat
- 2.Qb8#
- 1...Qxe7
- 2.Qxe7#
- 1...Bxd7
- 2.Re8#
- 1...Bc7
- 2.Qxc7#
- 1...Ba6
- 2.Qxa5#
- 1...Qf6!
- threat
- 1.Qg7?
- threat
- 2.Re8#
- 2.Qxf8#
- 1...Qxe7
- 2.Qxe7#
- 1...Qxg7
- 2.Rexg7#
- 1...Qf5
- 2.Re8#
- 1...Qf6
- 2.Re8#
- 1...Qf7
- 2.Rxf7#
- 1...Qe8
- 2.Rxe8#
- 1...Qg8
- 2.Rxe3#
- 2.Re4#
- 2.Re5#
- 2.Ree6#
- 2.Rf7#
- 2.Re8#
- 2.Qxg8#
- 1...Qh8
- 2.Re8#
- 2.Qxh8#
- 1...Bxd7!
- threat
- 1.Qxb5?
- threat
- 2.Re8#
- 2.Qxa5#
- 2.Qb8#
- 1...Qxe7
- 2.Rg8#
- 1...Qf6
- 2.Re8#
- 1...Qf5
- 2.Re8#
- 2.Qb8#
- 1...Qe8
- 2.Rxe8#
- 2.Qxa5#
- 2.Qb8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Be1
- 2.Re8#
- 2.Qb6#
- 2.Qb8#
- 1...Bd2
- 2.Re8#
- 2.Qb6#
- 2.Qb8#
- 1...Bc3
- 2.Re8#
- 2.Qb6#
- 2.Qb8#
- 1...Bb4
- 2.Re8#
- 2.Qb6#
- 2.Qb8#
- 1...Bb6
- 2.Re8#
- 2.Qxb6#
- 1...Bc7
- 2.Re8#
- 1...Sac4
- 2.Re8#
- 2.Qb8#
- 1...Sec4
- 2.Re8#
- 2.Qb8#
- 1...Sd5
- 2.Re8#
- 2.Qb8#
- 1...Sxb5!
- threat
- 1.Rg8?
- Keys
- 1.Rd6!
- threat
- 2.Re8#
- 1...Qg7+
- 2.Rxg7#
- 1...Qg8+
- 2.Rg7#
- 1...Qxe7
- 2.Qh8#
- 1...Bxd7
- 2.Qb8#
- 1...Qe8
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- threat
- 1.Rd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- Q(g);N_GUARD,P_PINR(D)::B(C)+R(F),XQ(g)
- Q(g);N_GUARD::B(C)+R(F),XQ(g)
- Q(g);OGATEB::QAR(B),XQ(g)
- B(e);OGATE::QAR2(B)
- Tries
- Try
- R(D);P_PINQ(g)
- Threat
- DUALS(4)
- Vars
- Q(g);CHECK,N_SPINQ(g),XR(D)::B(C)+R(F)
- B(d);::R(D),XQ(g)
- S(b);::R(D),XQ(g)
- Refutation
- B(e);XP(E)
- Try
- R(F);CHECK
- Refutation
- Q(g);P_SPINQ(g)
- Try
- R(F);CHECK
- Refutation
- Q(g);P_SPINQ(g)
- Try
- Q(B);
- Threat
- B(C)+R(F),DCHECK
- Vars
- Q(g);OGATEB,P_SPINQ(g),XR(F)::R(D)
- B(e);OGATE,P_SPINB(e),XP(E)::QAR1(B),XB(e)
- Refutation
- S(b);
- Try
- Q(B);
- Threat
- QAR2(B)
- Vars
- Q(g);OGATE,P_SPINQ(g),XR(F)::QAB1(B),XQ(g)
- B(e);SBLOCK,XP(E)::B(C)+R(F),DCHECK
- B(d);N_GUARD::QAB1(B),XB(d)
- B(e);OGATE::QAB(B),XB(d)
- Refutation
- Q(g);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(g);OGATE,P_SPINQ(g),XR(F)::QAB1(B),XQ(g)
- Q(g);OGATE,P_PINR(D),XQ(B)::B(C)+R(F),XQ(g)
- Q(g);::B(C)+R(F),DCHECK
- Q(g);::R1(F)
- Q(g);N_GUARD::B(C)+R(F),XQ(g)
- Q(g);::B(C)+R(F),DCHECK,XQ(g)
- Refutation
- B(e);XP(E)
- Try
- Q(B);XB(e)
- Threat
- DUALS(3)
- Vars
- Q(g);OGATEB,P_SPINQ(g),XR(F)::R(D)
- Q(g);::R1(F)
- B(d);::B(C)+R(F),DCHECK
- Refutation
- S(a);XQ(B)
- Try
- Actual
- R(D);
- Threat
- B(C)+R(F),DCHECK
- Vars
- Q(g);CHECK,N_GUARD::B(C)+R(F),XQ(g)
- Q(g);CHECK,N_GUARD::B(C)+R(F)
- Q(g);OGATEB,P_SPINQ(g),XR(F)::QAR(B)
- B(e);OGATE,P_SPINB(e),XP(E)::QAR2(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).