MESON Chess Problem Database
Problem Display
PID: 198442 (1Bk2n1n/1pP1Kb2/6p1/1B4P1/8/5Q2/8/8 w - - 0 1)
Chobanyan, Shamil
Suomen Shakki, 1986
#2
6 + 6
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Qxf8#
- 1...Bb3
- 2.Qxf8#
- 1...Bc4
- 2.Qxf8#
- 1...Bd5
- 2.Qxf8#
- 1...Be6
- 2.Qxf8#
- 1...Bg8
- 2.Qxf8#
- 1...Se6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...Sh7
- 2.Bd7#
- 1...b6
- 2.Ba6#
- 1...Ba2
- Tries
- 1.Kd6?
- 1...Ba2
- 2.Qxf8#
- 1...Bb3
- 2.Qxf8#
- 1...Bc4
- 2.Qxf8#
- 1...Bd5
- 2.Qxf8#
- 1...Be6
- 2.Qxf8#
- 1...Bg8
- 2.Qxf8#
- 1...Se6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...Sh7
- 2.Bd7#
- 1...b6
- 2.Ba6#
- 1...Be8!
- 1...Ba2
- 1.Ba6?
- threat
- 2.Bxb7#
- 2.Qxb7#
- 1...Bd5
- 2.Qxf8#
- 1...bxa6!
- threat
- 1.Bc6?
- threat
- 2.Bxb7#
- 1...Bd5
- 2.Qxf8#
- 1...b5
- 2.Bb7#
- 1...b6
- 2.Bb7#
- 1...bxc6!
- threat
- 1.Qd1?
- threat
- 2.Qd8#
- 1...b6
- 2.Ba6#
- 1...Se6
- 2.Bd7#
- 2.Qd7#
- 1...Sd7
- 2.Bxd7#
- 2.Qxd7#
- 1...Bd5!
- threat
- 1.Qg4+?
- 1...Se6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 2.Qxd7#
- 1...Be6!
- 1...Se6
- 1.Qd5?
- threat
- 2.Qd8#
- 1...Se6
- 2.Bd7#
- 2.Qd7#
- 1...Sd7
- 2.Bxd7#
- 2.Qxd7#
- 1...b6
- 2.Ba6#
- 1...Bxd5!
- threat
- 1.Qf1?
- 1...b6
- 2.Ba6#
- 1...Ba2
- 2.Qxf8#
- 1...Bb3
- 2.Qxf8#
- 1...Bc4
- 2.Qxf8#
- 1...Bd5
- 2.Qxf8#
- 1...Be6
- 2.Qxf8#
- 1...Bg8
- 2.Qxf8#
- 1...Se6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...Sh7
- 2.Bd7#
- 1...Be8!
- 1...b6
- 1.Qf2?
- 1...b6
- 2.Ba6#
- 1...Ba2
- 2.Qxf8#
- 1...Bb3
- 2.Qxf8#
- 1...Bc4
- 2.Qxf8#
- 1...Bd5
- 2.Qxf8#
- 1...Be6
- 2.Qxf8#
- 1...Bg8
- 2.Qxf8#
- 1...Se6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...Sh7
- 2.Bd7#
- 1...Be8!
- 1...b6
- 1.Qd3?
- threat
- 2.Qd8#
- 1...b6
- 2.Ba6#
- 1...Se6
- 2.Bd7#
- 2.Qd7#
- 1...Sd7
- 2.Bxd7#
- 2.Qxd7#
- 1...Bd5!
- threat
- 1.Qh3+?
- 1...Se6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 2.Qxd7#
- 1...Be6!
- 1...Se6
- 1.Qf4?
- 1...b6
- 2.Ba6#
- 1...Ba2
- 2.Qxf8#
- 1...Bb3
- 2.Qxf8#
- 1...Bc4
- 2.Qxf8#
- 1...Bd5
- 2.Qxf8#
- 1...Be6
- 2.Qxf8#
- 1...Bg8
- 2.Qxf8#
- 1...Se6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...Sh7
- 2.Bd7#
- 1...Be8!
- 1...b6
- 1.Qf5+?
- 1...Be6
- 2.Qxf8#
- 1...Se6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 2.Qxd7#
- 1...gxf5!
- 1...Be6
- 1.Qf6?
- 1...b6
- 2.Ba6#
- 1...Ba2
- 2.Qxf8#
- 1...Bb3
- 2.Qxf8#
- 1...Bc4
- 2.Qxf8#
- 1...Bd5
- 2.Qxf8#
- 1...Be6
- 2.Qxf8#
- 1...Bg8
- 2.Qxf8#
- 1...Se6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...Sh7
- 2.Bd7#
- 1...Be8!
- 1...b6
- 1.Qxf7?
- threat
- 2.Qe8#
- 2.Qxf8#
- 1...b6
- 2.Ba6#
- 1...Se6
- 2.Bd7#
- 2.Qxe6#
- 1...Sd7
- 2.Bxd7#
- 2.Qe8#
- 1...Sh7
- 2.Bd7#
- 2.Qe6#
- 2.Qe8#
- 1...Sxf7!
- threat
- 1.Kd6?
- Keys
- 1.Qc6!
- 1...bxc6
- 2.Ba6#
- 1...Be8
- 2.Qxe8#
- 1...Ba2
- 2.Qe8#
- 1...Bb3
- 2.Qe8#
- 1...Bc4
- 2.Qe8#
- 1...Bd5
- 2.Qe8#
- 1...Be6
- 2.Qe8#
- 1...Bg8
- 2.Qe8#
- 1...Se6
- 2.Qd7#
- 1...Sd7
- 2.Qxd7#
- 1...Sh7
- 2.Qd7#
- 1...b6
- 2.Ba6#
- 1...bxc6
- 1.Qc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 9
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(c);OGATE::QAR(A),XS(e)
- S(e);N_GUARD::B(B)
- S(e);N_GUARD::B(B),XS(e)
- P(b);OGATEB::B(B)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- B(c);OGATE::QAR(A),XS(e)
- S(e);N_GUARD::B(B)
- S(e);N_GUARD::B(B),XS(e)
- P(b);OGATEB::B(B)
- Refutation
- B(c);
- Try
- B(B);P_PINP(b)
- Threat
- DUALS(2)
- Vars
- B(c);OGATE::QAR(A),XS(e)
- Refutation
- P(b);N_SPINP(b),XB(B)
- Try
- B(B);
- Threat
- B(B),XP(b)
- Vars
- B(c);OGATE::QAR(A),XS(e)
- P(b);::B(B)
- Refutation
- P(b);XB(B)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- P(b);OGATEB::B(B)
- Refutation
- B(c);
- Try
- Q(A);CHECK
- Vars
- S(e);N_GUARD,P_SPINS(e)::B(B)
- Refutation
- B(c);P_SPINB(c)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- P(b);OGATEB::B(B)
- Refutation
- B(c);XQ(A)
- Try
- Q(A);
- Vars
- P(b);OGATEB::B(B)
- B(c);OGATE::QAR(A),XS(e)
- S(e);N_GUARD::B(B)
- S(e);N_GUARD::B(B),XS(e)
- Refutation
- B(c);
- Try
- Q(A);
- Vars
- P(b);OGATEB::B(B)
- B(c);OGATE::QAR(A),XS(e)
- S(e);N_GUARD::B(B)
- S(e);N_GUARD::B(B),XS(e)
- Refutation
- B(c);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- P(b);OGATEB::B(B)
- Refutation
- B(c);
- Try
- Q(A);CHECK
- Vars
- S(e);N_GUARD,P_SPINS(e)::B(B)
- Refutation
- B(c);P_SPINB(c)
- Try
- Q(A);
- Vars
- P(b);OGATEB::B(B)
- B(c);OGATE::QAR(A),XS(e)
- S(e);N_GUARD::B(B)
- S(e);N_GUARD::B(B),XS(e)
- Refutation
- B(c);
- Try
- Q(A);CHECK
- Vars
- B(c);OGATE,P_SPINB(c)::QAR(A),XS(e)
- S(e);N_GUARD,P_SPINS(e)::B(B)
- Refutation
- P(a);XQ(A)
- Try
- Q(A);
- Vars
- P(b);OGATEB::B(B)
- B(c);OGATE::QAR(A),XS(e)
- S(e);N_GUARD::B(B)
- S(e);N_GUARD::B(B),XS(e)
- Refutation
- B(c);
- Try
- Q(A);XB(c)
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB::B(B)
- Refutation
- S(f);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- P(b);OGATEB,XQ(A)::B(B)
- B(c);N_GUARD::QAR2(A),XB(c)
- B(c);N_GUARD::QAR2(A)
- S(e);N_GUARD::QAB1(A)
- S(e);N_GUARD::QAB1(A),XS(e)
- P(b);OGATEB::B(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).