MESON Chess Problem Database
Problem Display
PID: 108813 (3Q1Rbr/3N1npr/2p3Pp/4B1bR/4k1P1/1PPN2P1/5P2/1B3K2 w - - 0 1)
Lazdinits, Eriks
Riga Central CC, 1955
#2
14 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sxe5
- 2.S7c5#
- 1...Sd6
- 2.Sb4#
- 1...Sxd8
- 2.Sb4#
- 1...c5
- 2.Qa8#
- 1...Sxe5
- Tries
- 1.Ke2?
- threat
- 2.Sb4#
- 2.Sf4#
- 2.S7c5#
- 1...Bxd8
- 2.Sb4#
- 2.Sf4#
- 1...Sxe5
- 2.S7c5#
- 1...Sxd8
- 2.Sb4#
- 2.Sf4#
- 1...Be3
- 2.Sb4#
- 2.Sf4#
- 1...Bf4
- 2.Sb4#
- 2.Sxf4#
- 2.S7c5#
- 1...Be7
- 2.Sb4#
- 2.Sf4#
- 1...Sd6
- 2.Sb4#
- 2.Sf4#
- 1...c5
- 2.Sb4#
- 2.Sf4#
- 2.S7xc5#
- 2.Qa8#
- 1...Kd5!
- threat
- 1.Kg2?
- threat
- 2.Sb4#
- 2.Sf4#
- 2.S7c5#
- 1...Bxd8
- 2.Sb4#
- 2.Sf4#
- 1...Sxe5
- 2.S7c5#
- 1...Sxd8
- 2.Sb4#
- 2.Sf4#
- 1...Be3
- 2.Sb4#
- 2.Sf4#
- 1...Bf4
- 2.Sb4#
- 2.Sxf4#
- 2.S7c5#
- 1...Be7
- 2.Sb4#
- 2.Sf4#
- 1...Sd6
- 2.Sb4#
- 2.Sf4#
- 1...c5
- 2.Sb4#
- 2.Sf4#
- 2.S7xc5#
- 2.Qa8#
- 1...Kd5!
- threat
- 1.S3c5+?
- 1...Kd5
- 2.Be4#
- 2.c4#
- 1...Kf3!
- 1...Kd5
- 1.Sf6+?
- 1...Kf3
- 2.Se1#
- 1...Bxf6
- 2.Se1#
- 1...gxf6!
- 1...Kf3
- 1.Bd4?
- 1...Kf3
- 2.S3e5#
- 1...Bxd8
- 2.Se1#
- 1...Sxd8
- 2.Sb4#
- 1...Bc1
- 2.Se1#
- 1...Bd2
- 2.Se1#
- 1...Be3
- 2.Se1#
- 1...Bf4
- 2.Se1#
- 1...Bh4
- 2.Se1#
- 1...Bf6
- 2.Se1#
- 1...Be7
- 2.Se1#
- 1...Se5
- 2.S7c5#
- 1...Sd6
- 2.Sb4#
- 1...c5
- 2.Qa8#
- 1...Kd5!
- 1...Kf3
- 1.Bb8?
- 1...Kf3
- 2.S3e5#
- 1...Kd5
- 2.Sf4#
- 1...Bxd8
- 2.Se1#
- 1...Sxd8
- 2.Sb4#
- 1...Bc1
- 2.Se1#
- 1...Bd2
- 2.Se1#
- 1...Be3
- 2.Se1#
- 1...Bf4
- 2.Se1#
- 1...Bh4
- 2.Se1#
- 1...Bf6
- 2.Se1#
- 1...Be7
- 2.Se1#
- 1...Se5
- 2.S7c5#
- 1...Sd6
- 2.Sb4#
- 1...c5!
- 1...Kf3
- 1.Qa5?
- threat
- 2.Se1#
- 1...Sxe5
- 2.S3xe5#
- 2.Qxe5#
- 1...c5
- 2.Qa8#
- 1...Kf3!
- threat
- 1.c4?
- threat
- 2.Se1#
- 1...Sxe5
- 2.S7c5#
- 1...Kf3!
- threat
- 1.Ke2?
- Keys
- 1.Bc7!
- 1...Kf3
- 2.S3e5#
- 1...Kd5
- 2.Sf4#
- 1...Bxd8
- 2.Se1#
- 1...Sxd8
- 2.Sb4#
- 1...Bc1
- 2.Se1#
- 1...Bd2
- 2.Se1#
- 1...Be3
- 2.Se1#
- 1...Bf4
- 2.Se1#
- 1...Bh4
- 2.Se1#
- 1...Bf6
- 2.Se1#
- 1...Be7
- 2.Se1#
- 1...Se5
- 2.S7c5#
- 1...Sd6
- 2.Sb4#
- 1...c5
- 2.Qa8#
- 1...Kf3
- 1.Bc7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- S(e);XB(I)::S(L)
- S(e);::B(A)+S(F)
- S(e);XQ(M)::B(A)+S(F)
- P(c);OGATEB::QAB(M)
- Tries
- Try
- K(B);S_FLIGHT
- Threat
- DUALS(3)
- Vars
- S(e);XB(I)::S(L)
- Refutation
- K(a);S_FLIGHT
- Try
- K(B);S_FLIGHT
- Threat
- DUALS(3)
- Vars
- S(e);XB(I)::S(L)
- Refutation
- K(a);S_FLIGHT
- Try
- S(F);CHECK
- Refutation
- K(a);P_SPINS(e),S_FLIGHT
- Try
- S(L);CHECK
- Vars
- K(a);S_FLIGHT::S(F)
- B(b);XS(L)::B(A)+S(F)
- Refutation
- P(f);XS(L)
- Try
- B(I);
- Vars
- K(a);P_SPINS(e),S_FLIGHT::S(F)
- B(b);XQ(M)::B(A)+S(F)
- S(e);XQ(M)::B(A)+S(F)
- B(b);::B(A)+S(F)
- S(e);::S(L)
- S(e);::B(A)+S(F)
- P(c);OGATEB::QAB(M)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- B(I);
- Vars
- K(a);P_SPINS(e),S_FLIGHT::S(F)
- K(a);P_SPINB(b),S_FLIGHT::S(F)
- B(b);XQ(M)::B(A)+S(F)
- S(e);XQ(M)::B(A)+S(F)
- B(b);::B(A)+S(F)
- S(e);::S(L)
- S(e);::B(A)+S(F)
- Refutation
- P(c);
- Try
- Q(M);
- Threat
- B(A)+S(F)
- Vars
- P(c);OGATEB::QAB(M)
- Refutation
- K(a);P_SPINS(e),S_FLIGHT
- Try
- P(E);
- Threat
- B(A)+S(F)
- Vars
- S(e);XB(I)::S(L)
- Refutation
- K(a);P_SPINS(e),S_FLIGHT
- Try
- Actual
- B(I);
- Vars
- K(a);P_SPINS(e),S_FLIGHT::S(F)
- K(a);P_SPINB(b),S_FLIGHT::S(F)
- B(b);XQ(M)::B(A)+S(F)
- S(e);XQ(M)::B(A)+S(F)
- B(b);::B(A)+S(F)
- S(e);::S(L)
- S(e);::B(A)+S(F)
- P(c);OGATEB::QAB(M)
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).