MESON Chess Problem Database
Problem Display
PID: 191934 (2K5/1PP1pbp1/2P1k2p/NN1p1Rn1/5nBQ/2b2pB1/1p6/2r5 w - - 0 1)
Uris, Miguel
BCPS Website, 2019
#2
10 + 12
SOLUTION
- SOUND
- Sets
- 1...Be5
- 2.Rxf4#
- 1...Bf6
- 2.Rxg5#
- 1...Se2
- 2.Rxf3#
- 1...Sg2
- 2.Rxf3#
- 1...Sd3
- 2.Rxf3#
- 1...Sfh3
- 2.Rxf3#
- 1...Sh5
- 2.Rxf3#
- 1...Sg6
- 2.Rxf3#
- 1...Sgh3
- 2.Rh5#
- 1...Se4
- 2.Rh5#
- 1...Sh7
- 2.Rh5#
- 1...Be5
- Tries
- 1.Kb8?
- threat
- 2.c8Q#
- 2.c8B#
- 1...Bxa5
- 2.c8Q#
- 2.c8B#
- 1...b1Q
- 2.c8Q#
- 2.c8B#
- 1...b1S
- 2.c8Q#
- 2.c8B#
- 1...b1B
- 2.c8Q#
- 2.c8B#
- 1...b1R
- 2.c8Q#
- 2.c8B#
- 1...Ra1
- 2.c8Q#
- 2.c8B#
- 1...Rb1
- 2.c8Q#
- 2.c8B#
- 1...Rd1
- 2.c8Q#
- 2.c8B#
- 1...Re1
- 2.c8Q#
- 2.c8B#
- 1...Rf1
- 2.c8Q#
- 2.c8B#
- 1...Rg1
- 2.c8Q#
- 2.c8B#
- 1...Rh1
- 2.c8Q#
- 2.c8B#
- 1...Rc2
- 2.c8Q#
- 2.c8B#
- 1...Be1
- 2.c8Q#
- 2.c8B#
- 1...Bd2
- 2.c8Q#
- 2.c8B#
- 1...Bb4
- 2.c8Q#
- 2.c8B#
- 1...Bd4
- 2.c8Q#
- 2.c8B#
- 1...Be5
- 2.Rxf4#
- 1...Bf6
- 2.Rxg5#
- 2.c8Q#
- 2.c8B#
- 1...Bh5
- 2.c8Q#
- 2.c8B#
- 1...Bg6
- 2.c8Q#
- 2.c8B#
- 1...Bg8
- 2.c8Q#
- 2.c8B#
- 1...Se2
- 2.Rxf3#
- 2.c8Q#
- 2.c8B#
- 1...Sg2
- 2.Rxf3#
- 2.c8Q#
- 2.c8B#
- 1...Sd3
- 2.Rxf3#
- 2.c8Q#
- 2.c8B#
- 1...Sfh3
- 2.Rxf3#
- 2.c8Q#
- 2.c8B#
- 1...Sh5
- 2.Rxf3#
- 2.c8Q#
- 2.c8B#
- 1...Sg6
- 2.Rxf3#
- 2.c8Q#
- 2.c8B#
- 1...Sgh3
- 2.Rh5#
- 2.c8Q#
- 2.c8B#
- 1...Se4
- 2.Rh5#
- 2.c8Q#
- 2.c8B#
- 1...Sh7
- 2.Rh5#
- 2.c8Q#
- 2.c8B#
- 1...f2
- 2.c8Q#
- 2.c8B#
- 1...d4
- 2.c8Q#
- 2.c8B#
- 1...h5
- 2.c8Q#
- 2.c8B#
- 1...g6
- 2.c8Q#
- 2.c8B#
- 1...Be8!
- threat
- 1.Qxg5?
- threat
- 2.Rxf4#
- 2.Rxd5#
- 2.Re5#
- 2.Rf6#
- 1...b1Q
- 2.Re5#
- 2.Rf6#
- 1...b1B
- 2.Re5#
- 2.Rf6#
- 1...Be5
- 2.Rxf4#
- 2.Rxe5#
- 2.Rf6#
- 1...Bf6
- 2.Rxf4#
- 2.Rxd5#
- 2.Re5#
- 2.Rxf6#
- 1...Bh5
- 2.Rf6#
- 1...Bg6
- 2.Rf6#
- 1...Be8
- 2.Rxf4#
- 2.Rf6#
- 2.Rf8#
- 1...Bg8
- 2.Rxf4#
- 2.Rf6#
- 2.Rf8#
- 1...Se2
- 2.Rxf3#
- 2.Rf4#
- 2.Rxd5#
- 2.Re5#
- 2.Rf6#
- 1...Sg2
- 2.Rxf3#
- 2.Rf4#
- 2.Rxd5#
- 2.Re5#
- 2.Rf6#
- 1...Sd3
- 2.Rxf3#
- 2.Rf4#
- 2.Rxd5#
- 2.Re5#
- 2.Rf6#
- 1...Sh3
- 2.Rxf3#
- 2.Rf4#
- 2.Rxd5#
- 2.Re5#
- 2.Rf6#
- 1...Sh5
- 2.Rxf3#
- 2.Rf4#
- 2.Rxd5#
- 2.Re5#
- 2.Rf6#
- 1...Sg6
- 2.Rxf3#
- 2.Rf4#
- 2.Rxd5#
- 2.Re5#
- 2.Rf6#
- 1...d4
- 2.Rxf4#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf6#
- 1...h5
- 2.Re5#
- 2.Rf6#
- 1...hxg5!
- threat
- 1.Kb8?
- Keys
- 1.Sb3!
- threat
- 2.Sc5#
- 1...Be1
- 2.S3d4#
- 1...Bd2
- 2.S3d4#
- 1...Bb4
- 2.S3d4#
- 1...Bd4
- 2.S3xd4#
- 1...Ba5
- 2.S3d4#
- 1...Be5
- 2.Rxf4#
- 1...Bf6
- 2.Rxg5#
- 1...Sd3
- 2.Rxf3#
- 1...Se4
- 2.Rh5#
- threat
- 1.Sb3!
This is a version of 191933
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- B(c);SBLOCK::B(B)+R(F),XS(e)
- B(c);SBLOCK::B(B)+R(F),XS(g)
- S(e);OGATE::B(B)+R(F),XP(d)
- S(g);OGATE::B(B)+R(F)
- Tries
- Try
- K(J);P-FLIGHT
- Threat
- P=Q
- Vars
- B(c);XS(D)::P=Q
- P(b);::P=Q
- R(a);::P=Q
- B(c);::P=Q
- B(c);P_PINP(I),SBLOCK::B(B)+R(F),XS(e)
- B(k);::P=Q
- P(d);::P=Q
- P(f);::P=Q
- P(i);::P=Q
- P(l);::P=Q
- Refutation
- B(k);
- Try
- Q(C);XS(g)
- Threat
- DUALS(4)
- Vars
- B(k);::B(B)+R(F),DCHECK
- Refutation
- P(i);XQ(C)
- Try
- Actual
- S(D);
- Threat
- S(D)
- Vars
- B(c);N_GUARD::S(D)
- B(c);N_GUARD::S(D),XB(c)
- B(c);SBLOCK::B(B)+R(F),XS(e)
- B(c);SBLOCK::B(B)+R(F),XS(g)
- S(e);OGATE::B(B)+R(F),XP(d)
- S(g);OGATE::B(B)+R(F)
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).