MESON Chess Problem Database
Problem Display
PID: 222240 (8/1p6/bP1p4/1p1R4/k2N4/B1Qn4/1p6/1K6 w - - 0 1)
Caplin, Aleksandr Borisovich
Sachova skladba, 1988
#2
6 + 7
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sb4
- 2.Qxb4#
- 1...Sf4
- 2.Qb4#
- 1...Sc5
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...b4
- 2.Qb3#
- 1...Sc1
- Tries
- 1.Sc2?
- 1...Sb4
- 2.Qxb4#
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sf4
- 2.Qb4#
- 1...Sc5
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...b4!
- 1...Sb4
- 1.Se2?
- 1...Sb4
- 2.Qxb4#
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sf4
- 2.Qb4#
- 1...Sc5
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...b4!
- 1...Sb4
- 1.Sf3?
- 1...Sb4
- 2.Qxb4#
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sf4
- 2.Qb4#
- 1...Sc5
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...b4!
- 1...Sb4
- 1.Sxb5?
- 1...Sb4
- 2.Qxb4#
- 1...Sc5
- 2.Qb4#
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sf4
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...Bxb5!
- 1...Sb4
- 1.Sf5?
- 1...Sb4
- 2.Qxb4#
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sf4
- 2.Qb4#
- 1...Sc5
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...b4!
- 1...Sb4
- 1.Sc6?
- 1...b4
- 2.Ra5#
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sb4
- 2.Qxb4#
- 1...Sf4
- 2.Qb4#
- 1...Sc5
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...bxc6!
- 1...b4
- 1.Se6?
- 1...Sb4
- 2.Qxb4#
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sf4
- 2.Qb4#
- 1...Sc5
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...b4!
- 1...Sb4
- 1.Bxb2?
- threat
- 2.Qa3#
- 1...b4
- 2.Qb3#
- 1...Sxb2!
- threat
- 1.Bb4?
- threat
- 2.Qa3#
- 2.Qb3#
- 1...Sc1
- 2.Qa3#
- 1...Sc5
- 2.Qa3#
- 1...Sxb4!
- threat
- 1.Bxd6?
- threat
- 2.Qa3#
- 1...Sb4
- 2.Qxb4#
- 1...b4
- 2.Qb3#
- 1...Sc5!
- threat
- 1.Rxb5?
- threat
- 2.Ra5#
- 2.Qa5#
- 2.Qb3#
- 1...Sc1
- 2.Ra5#
- 2.Qb4#
- 2.Qa5#
- 1...Sb4
- 2.Qxb4#
- 2.Qb3#
- 1...Sc5
- 2.Ra5#
- 2.Qb4#
- 2.Qa5#
- 1...Bxb5!
- threat
- 1.Rf5?
- 1...Sb4
- 2.Qxb4#
- 1...b4
- 2.Qb3#
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sf4
- 2.Qb4#
- 1...Sc5
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...d5!
- 1...Sb4
- 1.Rg5?
- 1...Sb4
- 2.Qxb4#
- 1...b4
- 2.Qb3#
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sf4
- 2.Qb4#
- 1...Sc5
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...d5!
- 1...Sb4
- 1.Rh5?
- 1...Sb4
- 2.Qxb4#
- 1...b4
- 2.Qb3#
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sf4
- 2.Qb4#
- 1...Sc5
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...d5!
- 1...Sb4
- 1.Rxd6?
- 1...Sb4
- 2.Qxb4#
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sf4
- 2.Qb4#
- 1...Sc5
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...b4!
- 1...Sb4
- 1.Qd2?
- 1...Kxa3
- 2.Qa5#
- 1...Sb4
- 2.Qxb4#
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sf4
- 2.Qb4#
- 1...Sc5
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...b4!
- 1...Kxa3
- 1.Qc2+?
- 1...Kxa3
- 2.Qb3#
- 1...Ka5!
- 1...Kxa3
- 1.Qxd3?
- 1...b4
- 2.Qb3#
- 1...Ka5!
- 1...b4
- 1.Sc2?
- Keys
- 1.Sb3!
- 1...Kxa3
- 2.Sc5#
- 1...b4
- 2.Ra5#
- 1...Sc1
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Sf2
- 2.Qb4#
- 1...Sb4
- 2.Qxb4#
- 1...Sf4
- 2.Qb4#
- 1...Sc5
- 2.Qb4#
- 1...Se5
- 2.Qb4#
- 1...Kxa3
- 1.Sb3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::QAR1(C)
- S(b);N_GUARD::QAR1(C),XS(b)
- P(d);::QAB1(C)
- Tries
- Try
- S(D);
- Vars
- S(b);N_GUARD::QAR1(C),XS(b)
- S(b);N_GUARD::QAR1(C)
- Refutation
- P(d);
- Try
- S(D);
- Vars
- S(b);N_GUARD::QAR1(C),XS(b)
- S(b);N_GUARD::QAR1(C)
- Refutation
- P(d);
- Try
- S(D);
- Vars
- S(b);N_GUARD::QAR1(C),XS(b)
- S(b);N_GUARD::QAR1(C)
- Refutation
- P(d);
- Try
- S(D);XP(d)
- Vars
- S(b);N_GUARD::QAR1(C),XS(b)
- S(b);N_GUARD::QAR1(C)
- Refutation
- B(e);XS(D)
- Try
- S(D);
- Vars
- S(b);N_GUARD::QAR1(C),XS(b)
- S(b);N_GUARD::QAR1(C)
- Refutation
- P(d);
- Try
- S(D);
- Vars
- P(d);OGATE::R1(E)
- S(b);N_GUARD::QAR1(C)
- S(b);N_GUARD::QAR1(C),XS(b)
- Refutation
- P(g);XS(D)
- Try
- S(D);
- Vars
- S(b);N_GUARD::QAR1(C),XS(b)
- S(b);N_GUARD::QAR1(C)
- Refutation
- P(d);
- Try
- B(B);XP(a)
- Threat
- QAR1(C)
- Vars
- P(d);::QAB1(C)
- Refutation
- S(b);XB(B)
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- S(b);::QAR1(C)
- Refutation
- S(b);XB(B)
- Try
- B(B);XP(f)
- Threat
- QAR1(C)
- Vars
- S(b);N_GUARD::QAR1(C),XS(b)
- P(d);::QAB1(C)
- Refutation
- S(b);
- Try
- R(E);XP(d)
- Threat
- DUALS(3)
- Refutation
- B(e);XR(E)
- Try
- R(E);
- Vars
- S(b);N_GUARD::QAR1(C),XS(b)
- P(d);::QAB1(C)
- S(b);N_GUARD::QAR1(C)
- Refutation
- P(f);
- Try
- R(E);
- Vars
- S(b);N_GUARD::QAR1(C),XS(b)
- P(d);::QAB1(C)
- S(b);N_GUARD::QAR1(C)
- Refutation
- P(f);
- Try
- R(E);
- Vars
- S(b);N_GUARD::QAR1(C),XS(b)
- P(d);::QAB1(C)
- S(b);N_GUARD::QAR1(C)
- Refutation
- P(f);
- Try
- R(E);XP(f)
- Vars
- S(b);N_GUARD::QAR1(C),XS(b)
- S(b);N_GUARD::QAR1(C)
- Refutation
- P(d);
- Try
- Q(C);
- Vars
- K(c);P-FLIGHT,XB(B)::QAR2(C)
- S(b);N_GUARD::QAR1(C),XS(b)
- S(b);N_GUARD::QAR1(C)
- Refutation
- P(d);
- Try
- Q(C);CHECK
- Vars
- K(c);P-FLIGHT,XB(B)::QAR1(C)
- Refutation
- K(c);P-FLIGHT,P_SPINP(d)
- Try
- Q(C);XS(b)
- Vars
- P(d);::QAB1(C)
- Refutation
- K(c);P-FLIGHT,P_SPINP(d)
- Try
- Actual
- S(D);
- Vars
- K(c);P-FLIGHT,XB(B)::QAR(C)+S(D)
- P(d);OGATE::R1(E)
- S(b);N_GUARD::QAR1(C)
- S(b);N_GUARD::QAR1(C),XS(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).