MESON Chess Problem Database
Problem Display
PID: 7895 (8/r4p2/1Bb4K/3kpBQ1/2N1n3/1P1n4/N4p2/8 w - - 0 1)
Dyachuk, Vasyl Vasilovich
4/5 Prize, Sakkelet, 1994
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Sb4#
- 1...Se1
- 2.Sb4#
- 1...Sb2
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...Sf4
- 2.Sb4#
- 1...Sd2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sc3#
- 1...Sxg5
- 2.Sc3#
- 1...Sd6
- 2.Sc3#
- 2.Se3#
- 1...Sf6
- 2.Sc3#
- 1...Sc1
- Tries
- 1.Qd2?
- threat
- 2.Sb4#
- 2.Qxd3#
- 1...Rxa2
- 2.Qxd3#
- 1...Sxd2
- 2.Sc3#
- 1...Ba4
- 2.Sb4#
- 1...Bb5
- 2.Sb4#
- 1...Bb7
- 2.Sb4#
- 1...Bd7
- 2.Sb4#
- 1...Ba8
- 2.Sb4#
- 1...Be8
- 2.Sb4#
- 1...f1Q
- 2.Sb4#
- 1...f1B
- 2.Sb4#
- 1...Ra4
- 2.Qxd3#
- 1...Sc5!
- threat
- 1.Qf4?
- threat
- 2.Qxe4#
- 1...Sxf4
- 2.Sb4#
- 1...Sdc5
- 2.Qxe5#
- 1...Sd2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sc3#
- 1...Sec5
- 2.Sc3#
- 1...Sg5
- 2.Sc3#
- 1...Sd6
- 2.Sc3#
- 2.Se3#
- 1...Sf6
- 2.Sc3#
- 1...exf4!
- threat
- 1.Qh4?
- threat
- 2.Qxe4#
- 1...Sf4
- 2.Sb4#
- 1...Sd2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sc3#
- 1...Sec5
- 2.Sc3#
- 1...Sg5
- 2.Sc3#
- 1...Sd6
- 2.Sc3#
- 2.Se3#
- 1...Sf6
- 2.Sc3#
- 1...Sdc5!
- threat
- 1.Qf6?
- threat
- 2.Se3#
- 1...Sxf6
- 2.Sc3#
- 1...Sdc5
- 2.Qxe5#
- 1...Sec5
- 2.Qd6#
- 1...f1S!
- threat
- 1.Qg2?
- threat
- 2.Sc3#
- 2.Qxe4#
- 1...Rxa2
- 2.Qxe4#
- 1...Ba4
- 2.Qxe4#
- 1...Bb5
- 2.Qxe4#
- 1...Bb7
- 2.Qxe4#
- 1...Bd7
- 2.Qxe4#
- 1...Ba8
- 2.Qxe4#
- 1...Be8
- 2.Qxe4#
- 1...Sc5!
- threat
- 1.Qg4?
- threat
- 2.Bxe4#
- 2.Qxe4#
- 1...Sf4
- 2.Sb4#
- 1...Sd2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sc3#
- 1...Sec5
- 2.Sc3#
- 1...Sg5
- 2.Sc3#
- 1...Sd6
- 2.Sc3#
- 2.Se3#
- 1...Sf6
- 2.Sc3#
- 1...Sdc5!
- threat
- 1.Qd2?
- Keys
- 1.Qe3!
- threat
- 2.Qxd3#
- 2.Qxe4#
- 1...Ba4
- 2.Qxe4#
- 1...Bb5
- 2.Qxe4#
- 1...Bb7
- 2.Qxe4#
- 1...Bd7
- 2.Qxe4#
- 1...Ba8
- 2.Qxe4#
- 1...Be8
- 2.Qxe4#
- 1...f1Q
- 2.Qxe4#
- 1...f1B
- 2.Qxe4#
- 1...Sc1
- 2.Sb4#
- 2.Qxe4#
- 1...Se1
- 2.Sb4#
- 2.Qxe4#
- 1...Sb2
- 2.Sb4#
- 2.Qxe4#
- 1...Sb4
- 2.Sxb4#
- 2.Qxe4#
- 1...Sf4
- 2.Sb4#
- 2.Qxe4#
- 1...Sdc5
- 2.Sb4#
- 1...Sd2
- 2.Sc3#
- 2.Qxd3#
- 1...Sc3
- 2.Sxc3#
- 2.Qxd3#
- 1...Sg3
- 2.Sc3#
- 2.Qxd3#
- 1...Sec5
- 2.Sc3#
- 1...Sg5
- 2.Sc3#
- 2.Qxd3#
- 1...Sd6
- 2.Sc3#
- 2.Qxd3#
- 1...Sf6
- 2.Sc3#
- 2.Qxd3#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 10
- Sets
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD,XQ(E)::S(A)
- Tries
- Try
- Q(E);P_PINS(b)
- Threat
- DUALS(2)
- Vars
- R(g);XS(A)::QAR2(E),XS(b)
- S(c);N_GUARD,N_SPINS(b),XQ(E)::S(A)
- B(f);::S(A)
- P(a);::S(A)
- R(g);::QAR2(E),XS(b)
- Refutation
- S(c);
- Try
- Q(E);
- Threat
- QAB1(E),XS(c)
- Vars
- S(b);N_GUARD,XQ(E)::S(A)
- S(b);N_GUARD::QAR1(E),XP(e)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(e);XQ(E)
- Try
- Q(E);
- Threat
- QAB1(E),XS(c)
- Vars
- S(b);N_GUARD::S(A)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- S(b);
- Try
- Q(E);
- Threat
- S(C)
- Vars
- S(c);N_GUARD,XQ(E)::S(A)
- S(b);N_GUARD::QAR1(E),XP(e)
- S(c);N_GUARD::QAR1(E)
- Refutation
- P(a);
- Try
- Q(E);P_PINS(c)
- Threat
- DUALS(2)
- Vars
- R(g);XS(A)::QAB1(E),XS(c)
- B(f);::QAB1(E),XS(c)
- Refutation
- S(b);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD::S(A)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- S(b);
- Try
- Actual
- Q(E);
- Threat
- DUALS(2)
- Vars
- B(f);::QAB1(E),XS(c)
- P(a);::QAB1(E),XS(c)
- S(b);N_GUARD::S(A)
- S(c);N_GUARD::S(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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