MESON Chess Problem Database
Problem Display
PID: 74937 (2n5/3bnQ2/6N1/2p3K1/1qpNk1pp/2R2p2/3R4/4r3 w - - 0 1)
Janevski, Zivko
Problem Online, 2006
#2
6 + 11
SOLUTION
- SOUND
- Sets
- 1...Ba4
- 2.Qe6#
- 1...Bb5
- 2.Qe6#
- 1...Bc6
- 2.Qe6#
- 1...Be6
- 2.Qxe6#
- 1...Be8
- 2.Qe6#
- 1...g3
- 2.Qxf3#
- 1...Ba4
- Tries
- 1.Sc2?
- threat
- 2.Qf4#
- 1...Sxg6
- 2.Qd5#
- 1...Qb8
- 2.Rxc4#
- 2.Qxc4#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Bf5!
- threat
- 1.Se2?
- threat
- 2.Qf4#
- 1...Sxg6
- 2.Qd5#
- 1...Qb8
- 2.Qxc4#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Bf5!
- threat
- 1.Sb3?
- threat
- 2.Qf4#
- 1...Sxg6
- 2.Qd5#
- 1...Qb8
- 2.Sxc5#
- 2.Qxc4#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Bf5!
- threat
- 1.Sxf3?
- threat
- 2.Qf4#
- 1...Sxg6
- 2.Qd5#
- 1...Qb8
- 2.Qxc4#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Bf5!
- threat
- 1.Sb5?
- threat
- 2.Qf4#
- 1...Sxg6
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Bf5!
- threat
- 1.Sc6?
- threat
- 2.Qf4#
- 1...Sxg6
- 2.Qd5#
- 1...Qb8
- 2.Qxc4#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Bf5!
- threat
- 1.Sxe7?
- threat
- 2.Qd5#
- 2.Qf4#
- 1...Ke5
- 2.Qd5#
- 2.Qf4#
- 1...Qxc3
- 2.Qf4#
- 1...Bf5
- 2.Qd5#
- 2.Qxf5#
- 1...Qb7
- 2.Qf4#
- 1...Qb8
- 2.Qd5#
- 1...Bc6
- 2.Qe6#
- 2.Qf4#
- 2.Qf5#
- 1...Be6
- 2.Qxe6#
- 2.Qf4#
- 1...Sb6
- 2.Qf4#
- 1...Sxe7!
- threat
- 1.Re3+?
- 1...Kxe3
- 2.Qf4#
- 1...Rxe3!
- 1...Kxe3
- 1.Qxe7+?
- 1...Kd5
- 2.Sf4#
- 1...Be6
- 2.Qxe6#
- 1...Sxe7!
- 1...Kd5
- 1.Sc2?
- Keys
- 1.Se6!
- threat
- 2.Qf4#
- 1...Sxg6
- 2.Qf5#
- 1...Qb8
- 2.Sxc5#
- 1...Sd5
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 6
- Sets
- B(i);N_GUARD::QAR2(F)
- B(i);N_GUARD::QAR2(F),XB(i)
- P(f);N_GUARD::QAB1(F),XP(b)
- Tries
- Try
- S(C);
- Threat
- QAR1(F)
- Vars
- S(j);N_GUARD,XS(E)::QAB1(F)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(j);N_GUARD::QAB1(F)
- Refutation
- B(i);
- Try
- S(C);
- Threat
- QAR1(F)
- Vars
- S(j);N_GUARD,XS(E)::QAB1(F)
- Q(c);N_GUARD::QAR2(F),XP(d)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(j);N_GUARD::QAB1(F)
- Refutation
- B(i);
- Try
- S(C);
- Threat
- QAR1(F)
- Vars
- S(j);N_GUARD,XS(E)::QAB1(F)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(j);N_GUARD::QAB1(F)
- Refutation
- B(i);
- Try
- S(C);XP(b)
- Threat
- QAR1(F)
- Vars
- S(j);N_GUARD,XS(E)::QAB1(F)
- Q(c);N_GUARD::QAR2(F),XP(d)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(j);N_GUARD::QAB1(F)
- Refutation
- B(i);
- Try
- S(C);
- Threat
- QAR1(F)
- Vars
- S(j);N_GUARD,XS(E)::QAB1(F)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(j);N_GUARD::QAB1(F)
- Refutation
- B(i);
- Try
- S(C);
- Threat
- QAR1(F)
- Vars
- S(j);N_GUARD,XS(E)::QAB1(F)
- Q(c);N_GUARD::QAR2(F),XP(d)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(j);N_GUARD::QAB1(F)
- Refutation
- B(i);
- Try
- S(E);XS(j)
- Threat
- DUALS(2)
- Vars
- Q(c);XR(B)::QAR1(F)
- Q(c);::QAR1(F)
- Q(c);::QAB1(F)
- S(k);::QAR1(F)
- Refutation
- S(k);XS(E)
- Try
- R(B);CHECK
- Vars
- K(e);P-FLIGHT,XR(B)::QAB1(F)
- Refutation
- R(a);XR(B)
- Try
- Q(F);CHECK,XS(j)
- Vars
- K(e);S_FLIGHT::S(E)
- B(i);N_GUARD,P_SPINB(i)::QAR2(F),XB(i)
- Refutation
- S(k);XQ(F)
- Try
- Actual
- S(C);
- Threat
- QAR1(F)
- Vars
- S(j);N_GUARD,XS(E)::QAB1(F)
- Q(c);N_GUARD::S(C),XP(h)
- S(j);N_GUARD::QAB1(F)
- S(j);N_GUARD::QAB1(F),XS(j)
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).