MESON Chess Problem Database
Problem Display
PID: 242260 (N1n5/3b3n/Q7/2kB4/3R4/8/K1N5/8 w - - 0 1)
Kisis, Imants J
Revista Romana de Sah, 1982
#2
6 + 4
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bh3
- 2.Qc6#
- 1...Bg4
- 2.Qc6#
- 1...Bb5
- 2.Qa3#
- 1...Bf5
- 2.Qc6#
- 1...Bc6
- 2.Qxc6#
- 1...Be6
- 2.Qc6#
- 1...Sb6
- 2.Qxb6#
- 1...Sd6
- 2.Qb6#
- 1...Sa7
- 2.Qb6#
- 1...Se7
- 2.Qb6#
- 1...Bh3
- Tries
- 1.Bh1?
- threat
- 2.Rc4#
- 2.Rd5#
- 2.Qc4#
- 1...Bb5
- 2.Qa3#
- 1...Bc6
- 2.Qc4#
- 2.Qxc6#
- 1...Sf6
- 2.Rc4#
- 2.Qc4#
- 1...Sb6
- 2.Qxb6#
- 1...Sd6
- 2.Rd5#
- 2.Qb6#
- 1...Se7
- 2.Rc4#
- 2.Qc4#
- 2.Qb6#
- 1...Be6+!
- threat
- 1.Bg2?
- threat
- 2.Rc4#
- 2.Rd5#
- 2.Qc4#
- 1...Bb5
- 2.Qa3#
- 1...Bc6
- 2.Qc4#
- 2.Qxc6#
- 1...Sf6
- 2.Rc4#
- 2.Qc4#
- 1...Sb6
- 2.Qxb6#
- 1...Sd6
- 2.Rd5#
- 2.Qb6#
- 1...Se7
- 2.Rc4#
- 2.Qc4#
- 2.Qb6#
- 1...Be6+!
- threat
- 1.Bb3?
- threat
- 2.Rd5#
- 2.Qc4#
- 1...Sb6
- 2.Qxb6#
- 1...Bb5
- 2.Rd5#
- 1...Bc6
- 2.Qc4#
- 1...Sf6
- 2.Qc4#
- 1...Sd6
- 2.Rd5#
- 2.Qb6#
- 1...Se7
- 2.Qc4#
- 2.Qb6#
- 1...Be6!
- threat
- 1.Bf3?
- threat
- 2.Rc4#
- 2.Rd5#
- 2.Qc4#
- 1...Bb5
- 2.Qa3#
- 1...Bc6
- 2.Qc4#
- 2.Qxc6#
- 1...Sf6
- 2.Rc4#
- 2.Qc4#
- 1...Sb6
- 2.Qxb6#
- 1...Sd6
- 2.Rd5#
- 2.Qb6#
- 1...Se7
- 2.Rc4#
- 2.Qc4#
- 2.Qb6#
- 1...Be6+!
- threat
- 1.Bc4?
- threat
- 2.Rd5#
- 1...Sb6
- 2.Qxb6#
- 1...Bb5
- 2.Qxb5#
- 1...Bc6
- 2.Qa3#
- 1...Be6
- 2.Qb5#
- 1...Se7
- 2.Qb6#
- 2.Qd6#
- 1...Sf6!
- threat
- 1.Be4?
- threat
- 2.Rc4#
- 2.Rd5#
- 2.Qc4#
- 1...Bb5
- 2.Qa3#
- 1...Bc6
- 2.Qc4#
- 2.Qxc6#
- 1...Sf6
- 2.Rc4#
- 2.Qc4#
- 1...Sb6
- 2.Qxb6#
- 1...Sd6
- 2.Rd5#
- 2.Qb6#
- 1...Se7
- 2.Rc4#
- 2.Qc4#
- 2.Qb6#
- 1...Be6+!
- threat
- 1.Bc6?
- threat
- 2.Rd5#
- 2.Qc4#
- 2.Qb5#
- 1...Bxc6
- 2.Qc4#
- 1...Sb6
- 2.Qb5#
- 2.Qxb6#
- 1...Sf6
- 2.Qc4#
- 2.Qb5#
- 1...Sd6
- 2.Rd5#
- 2.Qb6#
- 1...Sa7
- 2.Rd5#
- 2.Qc4#
- 2.Qb6#
- 1...Se7
- 2.Qc4#
- 2.Qb5#
- 2.Qb6#
- 1...Be6+!
- threat
- 1.Bb7?
- threat
- 2.Rc4#
- 2.Rd5#
- 2.Qc4#
- 1...Bb5
- 2.Qa3#
- 1...Bc6
- 2.Qc4#
- 2.Qxc6#
- 1...Sf6
- 2.Rc4#
- 2.Qc4#
- 1...Sb6
- 2.Qxb6#
- 1...Sd6
- 2.Rd5#
- 2.Qb6#
- 1...Se7
- 2.Rc4#
- 2.Qc4#
- 2.Qb6#
- 1...Be6+!
- threat
- 1.Qa5+?
- 1...Bb5
- 2.Qb4#
- 2.Qa3#
- 1...Kd6!
- 1...Bb5
- 1.Bh1?
- Keys
- 1.Sc7!
- threat
- 2.Rc4#
- 1...Bc6
- 2.Qxc6#
- 1...Sb6
- 2.Qa3#
- 1...Bb5
- 2.Se6#
- 1...Sd6
- 2.Qa7#
- threat
- 1.Sc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- B(b);N_GUARD::QAR1(E)
- B(b);SBLOCK::QAB(E)
- B(b);N_GUARD::QAR1(E),XB(b)
- B(b);N_GUARD,P_PINB(D)::QAR1(E)
- S(d);N_GUARD::QAB1(E),XS(d)
- S(d);N_GUARD::QAB1(E)
- Tries
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- B(b);SBLOCK::QAB(E)
- S(d);N_GUARD::QAB1(E),XS(d)
- Refutation
- B(b);CHECK
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- B(b);SBLOCK::QAB(E)
- S(d);N_GUARD::QAB1(E),XS(d)
- Refutation
- B(b);CHECK
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- S(d);N_GUARD::QAB1(E),XS(d)
- B(b);::R1(C)
- B(b);SBLOCK::QAR1(E)
- S(c);::QAR1(E)
- Refutation
- B(b);P_PINB(D)
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- B(b);SBLOCK::QAB(E)
- S(d);N_GUARD::QAB1(E),XS(d)
- Refutation
- B(b);CHECK
- Try
- B(D);
- Threat
- R1(C)
- Vars
- S(d);N_GUARD::QAB1(E),XS(d)
- B(b);N_GUARD::QAR1(E),XB(b)
- B(b);SBLOCK::QAB(E)
- B(b);N_GUARD,P_PINB(D)::QAR1(E)
- Refutation
- S(c);
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- B(b);SBLOCK::QAB(E)
- S(d);N_GUARD::QAB1(E),XS(d)
- Refutation
- B(b);CHECK
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- B(b);SBLOCK,XB(D)::QAR1(E)
- Refutation
- B(b);CHECK
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- B(b);SBLOCK::QAB(E)
- S(d);N_GUARD::QAB1(E),XS(d)
- Refutation
- B(b);CHECK
- Try
- Q(E);CHECK
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- S(F);
- Threat
- R1(C)
- Vars
- B(b);N_GUARD::QAR1(E),XB(b)
- S(d);SBLOCK::QAB(E)
- B(b);N_GUARD::S(F)
- S(d);N_GUARD,SBLOCK::QAB(E)
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).