MESON Chess Problem Database
Problem Display
PID: 109628 (8/q1rpKp2/3N1B2/2n3nr/b3Np1b/4kp2/R4RP1/5B2 w - - 0 1)
Viksna, Kristaps
Latvian Championship, 1953
#2
8 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Scxe4
- 2.Sf5#
- 1...Sh3
- 2.Rxf3#
- 1...Sgxe4
- 2.Sc4#
- 2.Rxf3#
- 1...Se6
- 2.Rxf3#
- 1...Sh7
- 2.Rxf3#
- 1...Scxe4
- Tries
- 1.Sc3?
- threat
- 2.Sd5#
- 2.Sc4#
- 2.Sf5#
- 1...Qa6
- 2.Sd5#
- 2.Sf5#
- 1...Qb7
- 2.Sc4#
- 2.Sf5#
- 1...Qa8
- 2.Sc4#
- 2.Sf5#
- 1...Bb3
- 2.Sf5#
- 1...Bb5
- 2.Sd1#
- 2.Sd5#
- 2.Sf5#
- 1...Bc6
- 2.Sd1#
- 2.Sc4#
- 2.Sf5#
- 1...Sb3
- 2.Sd1#
- 2.Sd5#
- 2.Sf5#
- 1...Sd3
- 2.Sd5#
- 2.Sf5#
- 1...Sce4
- 2.Sd5#
- 2.Sf5#
- 1...Sa6
- 2.Sd5#
- 2.Sf5#
- 1...Sce6
- 2.Sd5#
- 2.Sf5#
- 1...Sb7
- 2.Sd5#
- 2.Sf5#
- 1...Sh3
- 2.Sc4#
- 2.Rxf3#
- 1...Sge4
- 2.Sc4#
- 2.Rxf3#
- 1...Sge6
- 2.Sc4#
- 2.Rxf3#
- 1...Sh7
- 2.Sc4#
- 2.Rxf3#
- 1...Bc2!
- threat
- 1.Sxg5?
- threat
- 2.Sc4#
- 2.Sf5#
- 2.Rxf3#
- 1...Rxg5
- 2.Rxf3#
- 1...Bxf2
- 2.Sc4#
- 2.Sf5#
- 1...Bxg5
- 2.Rxf3#
- 1...fxg2
- 2.Sc4#
- 2.Sf5#
- 2.Rf3#
- 1...Qa6
- 2.Sf5#
- 2.Rxf3#
- 1...Qb7
- 2.Sc4#
- 2.Sf5#
- 1...Qa8
- 2.Sc4#
- 2.Sf5#
- 1...Bd1
- 2.Sc4#
- 2.Sf5#
- 1...Bb3
- 2.Sf5#
- 2.Rxf3#
- 1...Bb5
- 2.Sf5#
- 2.Rxf3#
- 1...Bc6
- 2.Sc4#
- 2.Sf5#
- 1...Sb3
- 2.Sf5#
- 2.Rxf3#
- 1...Sd3
- 2.Sf5#
- 2.Rxf3#
- 1...Se4
- 2.Sf5#
- 2.Rxf3#
- 1...Sa6
- 2.Sf5#
- 2.Rxf3#
- 1...Se6
- 2.Sf5#
- 2.Rxf3#
- 1...Sb7
- 2.Sf5#
- 2.Rxf3#
- 1...Bc2!
- threat
- 1.Rae2+?
- 1...Kd3
- 2.Re1#
- 1...fxe2!
- 1...Kd3
- 1.Rfe2+?
- 1...Kd3
- 2.Rad2#
- 2.Re1#
- 1...fxe2!
- 1...Kd3
- 1.Sc3?
- Keys
- 1.Rad2!
- threat
- 2.Bd4#
- 1...Scxe4
- 2.Sf5#
- 1...Sgxe4
- 2.Sc4#
- 1...Sb3
- 2.Rd3#
- 1...Sd3
- 2.Rxd3#
- 1...Sa6
- 2.Rd3#
- 1...Sce6
- 2.Rd3#
- 1...Sb7
- 2.Rd3#
- 1...Sh3
- 2.Rxf3#
- 1...Sge6
- 2.Rxf3#
- 1...Sh7
- 2.Rxf3#
- threat
- 1.Rad2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(f);SBLOCK,XS(E)::S(F)
- S(g);N_GUARD,P_PINB(G)::R1(C),XP(b)
- Tries
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- B(c);::S(F)
- Refutation
- B(c);
- Try
- S(E);XS(g)
- Threat
- DUALS(3)
- Vars
- R(h);XS(E)::R1(C),XP(b)
- B(e);P_PINB(G),XS(E)::R1(C),XP(b)
- Refutation
- B(c);
- Try
- R(B);CHECK
- Vars
- K(a);P-FLIGHT::B(A)+R(B)
- Refutation
- P(b);XR(B)
- Try
- R(C);CHECK
- Refutation
- P(b);XR(C)
- Try
- Actual
- R(B);
- Threat
- B(G)
- Vars
- S(f);SBLOCK,XS(E)::S(F)
- S(g);P_PINB(G),SBLOCK,XS(E)::S(F)
- S(f);N_GUARD::R1(B)
- S(f);N_GUARD::R1(B),XS(f)
- S(g);N_GUARD,P_PINB(G)::R1(C),XP(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).