MESON Chess Problem Database
Problem Display
PID: 270387 (3RN3/1b2QR2/2p3pp/1p2p2p/n3k3/6p1/3Kn1P1/8 w - - 0 1)
Tkachenko, Sergiy Ivanovich
Shakhmatnaya kompozitsiya, 1997
#2
6 + 11
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Qb4#
- 2.Qh4#
- 1...Sg1
- 2.Qb4#
- 2.Qh4#
- 1...Sec3
- 2.Qb4#
- 2.Qh4#
- 1...Sd4
- 2.Qh4#
- 1...Sf4
- 2.Qb4#
- 1...c5
- 2.Qxb7#
- 1...Sc1
- Tries
- 1.Kxe2?
- threat
- 2.Qb4#
- 2.Qh4#
- 1...Bc8
- 2.Qb4#
- 1...Sb2
- 2.Qh4#
- 1...Sc5
- 2.Qh4#
- 1...Sb6
- 2.Qh4#
- 1...b4
- 2.Qxb4#
- 2.Qh4#
- 1...h4
- 2.Qb4#
- 2.Qxh4#
- 1...c5
- 2.Qh4#
- 2.Qxb7#
- 1...g5
- 2.Qb4#
- 1...Sc3+!
- threat
- 1.Qa3?
- threat
- 2.Qd3#
- 2.Qe3#
- 2.Qf3#
- 1...Sc1
- 2.Qb4#
- 2.Qe3#
- 2.Qf3#
- 1...Sg1
- 2.Qb4#
- 2.Qd3#
- 2.Qe3#
- 1...Sec3
- 2.Qb4#
- 1...Sd4
- 2.Qd3#
- 2.Qe3#
- 1...Sf4
- 2.Qb4#
- 2.Qe3#
- 2.Qf3#
- 1...Sb2
- 2.Qe3#
- 2.Qf3#
- 1...Sc5
- 2.Qe3#
- 2.Qf3#
- 1...Sac3!
- threat
- 1.Qc5?
- threat
- 2.Sd6#
- 2.Qe3#
- 2.Qc2#
- 1...Sc1
- 2.Sd6#
- 2.Qe3#
- 2.Qb4#
- 1...Sec3
- 2.Sd6#
- 2.Qe3#
- 2.Qb4#
- 1...Sd4
- 2.Sd6#
- 1...Sf4
- 2.Sd6#
- 2.Qe3#
- 2.Qb4#
- 1...Sb2
- 2.Sd6#
- 2.Qe3#
- 1...Sac3
- 2.Sd6#
- 2.Qe3#
- 1...Sxc5!
- threat
- 1.Qg5?
- threat
- 2.Sf6#
- 2.Qe3#
- 2.Qxg6#
- 1...Bc8
- 2.Sf6#
- 2.Qe3#
- 1...Sd4
- 2.Sf6#
- 2.Qe3#
- 2.Qh4#
- 1...Sf4
- 2.Sf6#
- 1...hxg5!
- threat
- 1.Qd6?
- threat
- 2.Qd3#
- 2.Qxg6#
- 1...Bc8
- 2.Qd3#
- 2.Qxc6#
- 1...Sc1
- 2.Qb4#
- 2.Qxg6#
- 1...Sf4
- 2.Qb4#
- 1...Sb2
- 2.Qxg6#
- 1...Sc5
- 2.Qxg6#
- 1...g5
- 2.Qd3#
- 2.Qg6#
- 1...Sd4!
- threat
- 1.Qf6?
- threat
- 2.Qf3#
- 2.Qxg6#
- 1...Bc8
- 2.Qf3#
- 2.Qxc6#
- 1...Sg1
- 2.Qh4#
- 2.Qxg6#
- 1...Sd4
- 2.Qh4#
- 1...g5
- 2.Qf3#
- 2.Qf5#
- 2.Qg6#
- 1...Sf4!
- threat
- 1.Kxe2?
- Keys
- 1.Qe6!
- threat
- 2.Qxg6#
- 1...Bc8
- 2.Qxc6#
- 1...Sd4
- 2.Sd6#
- 1...Sf4
- 2.Sf6#
- 1...g5
- 2.Qf5#
- 2.Qg6#
- threat
- 1.Qe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- S(a);N_GUARD::QAR(C)
- P(h);OGATEB::QAB(C),XB(k)
- Tries
- Try
- K(A);P-FLIGHT,XS(a)
- Threat
- DUALS(2)
- Vars
- B(k);::QAR(C)
- S(c);::QAR(C)
- P(i);::QAR(C)
- Refutation
- S(c);CHECK
- Try
- Q(C);N_PINP(f)
- Threat
- DUALS(3)
- Vars
- S(a);N_GUARD::QAR(C)
- Refutation
- S(c);
- Try
- Q(C);N_PINP(f)
- Threat
- DUALS(3)
- Vars
- S(a);::S(F)
- Refutation
- S(c);XQ(C)
- Try
- Q(C);N_PINP(f)
- Threat
- DUALS(3)
- Vars
- S(a);::S(F)
- Refutation
- P(j);XQ(C)
- Try
- Q(C);N_PINP(f)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAR(C)
- S(c);::QAB(C),XP(i)
- Refutation
- S(a);
- Try
- Q(C);N_PINP(f)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAR(C)
- Refutation
- S(a);
- Try
- Actual
- Q(C);
- Threat
- QAB(C),XP(i)
- Vars
- B(k);N_GUARD::QAB(C),XP(h)
- S(a);SBLOCK::S(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).