MESON Chess Problem Database
Problem Display
PID: 143760 (5nK1/8/1p6/1Bk5/Qp6/P4p2/P2R2b1/1r6 w - - 0 1)
Novitski, Petr Adrinovich
Troll, 2011
#2
6 + 7
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxb4#
- 2.axb4#
- 1...Rc1
- 2.Qxb4#
- 2.axb4#
- 1...Rd1
- 2.Qxb4#
- 2.axb4#
- 1...Re1
- 2.Qxb4#
- 2.axb4#
- 1...Rf1
- 2.Qxb4#
- 2.axb4#
- 1...Rg1
- 2.Qxb4#
- 2.axb4#
- 1...Rh1
- 2.Qxb4#
- 2.axb4#
- 1...bxa3
- 2.Qc4#
- 1...b3
- 2.Qb4#
- 2.Qc4#
- 1...Ra1
- Tries
- 1.Be2?
- threat
- 2.Qc2#
- 2.Qb5#
- 1...bxa3
- 2.Qc4#
- 1...b5
- 2.Qxb5#
- 1...Rb2
- 2.Qb5#
- 1...Rc1
- 2.Qb5#
- 2.axb4#
- 1...Rb3
- 2.Qb5#
- 1...b3
- 2.Qb5#
- 2.Qc4#
- 1...fxe2!
- threat
- 1.Ba6?
- threat
- 2.Qc2#
- 2.Qb5#
- 1...bxa3
- 2.Qc4#
- 1...b5
- 2.Qxb5#
- 1...Rb2
- 2.Qb5#
- 1...Rc1
- 2.Qb5#
- 2.axb4#
- 1...Rb3
- 2.Qb5#
- 1...b3
- 2.Qb5#
- 2.Qc4#
- 1...Bf1!
- threat
- 1.Bc6?
- threat
- 2.Qc2#
- 2.Qb5#
- 1...Kc4
- 2.Qc2#
- 1...bxa3
- 2.Rd5#
- 1...b5
- 2.Qxb5#
- 1...Rb2
- 2.Qb5#
- 1...Rc1
- 2.Qb5#
- 1...Rb3
- 2.Qb5#
- 1...b3
- 2.Rd5#
- 2.Qb5#
- 1...Bf1!
- threat
- 1.Bd7?
- threat
- 2.Qc2#
- 2.Qb5#
- 2.Qc6#
- 1...Kc4
- 2.Qc2#
- 2.Qc6#
- 1...bxa3
- 2.Qd4#
- 1...b5
- 2.Qxb5#
- 1...Rb2
- 2.Qb5#
- 2.Qc6#
- 1...Rc1
- 2.Qb5#
- 2.Qc6#
- 2.Qxb4#
- 1...Rb3
- 2.Qb5#
- 2.Qc6#
- 1...Bf1
- 2.Qc6#
- 1...f2
- 2.Qc2#
- 2.Qb5#
- 1...b3
- 2.Qb5#
- 2.Qc6#
- 2.Qb4#
- 2.Qd4#
- 1...Sxd7!
- threat
- 1.Be8?
- threat
- 2.Qc2#
- 2.Qb5#
- 2.Qc6#
- 1...Kc4
- 2.Qc2#
- 2.Qc6#
- 1...bxa3
- 2.Qd4#
- 1...b5
- 2.Qxb5#
- 1...Rb2
- 2.Qb5#
- 2.Qc6#
- 1...Rc1
- 2.Qb5#
- 2.Qc6#
- 2.Qxb4#
- 1...Rb3
- 2.Qb5#
- 2.Qc6#
- 1...Bf1
- 2.Qc6#
- 1...f2
- 2.Qc2#
- 2.Qb5#
- 1...b3
- 2.Qb5#
- 2.Qc6#
- 2.Qb4#
- 2.Qd4#
- 1...Sd7!
- threat
- 1.Be2?
- Keys
- 1.Bc4!
- threat
- 2.Qb5#
- 1...Kxc4
- 2.Qc6#
- 1...bxa3
- 2.Rd5#
- 1...b5
- 2.Qxb5#
- threat
- 1.Bc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(d);OGATE,XP(C)::QAR1(D)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- P(d);OGATE,XP(C)::QAR1(D)
- P(f);::QAR1(D),XP(f)
- R(a);::QAR1(D)
- Refutation
- P(c);XB(E)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- P(d);OGATE,XP(C)::QAR1(D)
- P(f);::QAR1(D),XP(f)
- R(a);::QAR1(D)
- Refutation
- B(b);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- K(e);P-FLIGHT,P_SPINP(d)::QAR2(D)
- P(d);XP(C)::R1(B)
- P(f);::QAR1(D),XP(f)
- R(a);::QAR1(D)
- Refutation
- B(b);
- Try
- B(E);
- Threat
- DUALS(3)
- Vars
- P(d);OGATE,XP(C)::QAB1(D)
- P(f);::QAR1(D),XP(f)
- B(b);::QAR1(D)
- Refutation
- S(g);XB(E)
- Try
- B(E);
- Threat
- DUALS(3)
- Vars
- P(d);OGATE,XP(C)::QAB1(D)
- P(f);::QAR1(D),XP(f)
- B(b);::QAR1(D)
- Refutation
- S(g);
- Try
- Actual
- B(E);
- Threat
- QAR1(D)
- Vars
- K(e);P-FLIGHT,P_SPINP(d),XB(E)::QAR2(D)
- P(d);XP(C)::R1(B)
- P(f);::QAR1(D),XP(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).