MESON Chess Problem Database
Problem Display
PID: 245656 (6RB/n6Q/q7/3RNB1P/4Nk1P/4p2K/4p2n/8 w - - 0 1)
Musante, Horacio Luis
Arbejder-Skak, 1957
#2
10 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.Rg4#
- 1...Sf3
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...Sf1
- Tries
- 1.Sd2?
- threat
- 2.Rd4#
- 1...Qg6
- 2.Sd3#
- 2.Sxg6#
- 1...Qd3
- 2.Sxd3#
- 2.Sg6#
- 1...Qc4
- 2.Sg6#
- 1...Qb7
- 2.Sd3#
- 2.Sg6#
- 1...Qa1
- 2.Sd3#
- 2.Sg6#
- 1...Qa4
- 2.Sd3#
- 2.Sg6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Sf3
- 2.Rg4#
- 1...Sb5
- 2.Sd3#
- 1...Sc6
- 2.Sg6#
- 1...exd2!
- threat
- 1.Sc5?
- threat
- 2.Rd4#
- 1...Qd3
- 2.Scxd3#
- 2.Se6#
- 1...Qc4
- 2.Se6#
- 1...Qb7
- 2.Scd3#
- 2.Se6#
- 1...Qa1
- 2.Scd3#
- 2.Se6#
- 1...Qa4
- 2.Scd3#
- 2.Se6#
- 1...Qc6
- 2.Scd3#
- 1...Qd6
- 2.Scd3#
- 1...Qf6
- 2.Scd3#
- 1...Sf3
- 2.Rg4#
- 1...Sb5
- 2.Scd3#
- 1...Sc6
- 2.Se6#
- 1...Qg6!
- threat
- 1.Sg5?
- threat
- 2.Rd4#
- 1...Qg6
- 2.Sd3#
- 2.Sxg6#
- 1...Qd3
- 2.Sxd3#
- 2.Sg6#
- 2.Se6#
- 1...Qc4
- 2.Sg6#
- 2.Se6#
- 1...Qb7
- 2.Sd3#
- 2.Sg6#
- 2.Se6#
- 1...Qa1
- 2.Sd3#
- 2.Sg6#
- 2.Se6#
- 1...Qa4
- 2.Sd3#
- 2.Sg6#
- 2.Se6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Sb5
- 2.Sd3#
- 1...Sc6
- 2.Sg6#
- 2.Se6#
- 1...Sf3!
- threat
- 1.Sd6?
- threat
- 2.Rd4#
- 2.Qh6#
- 1...Qd3
- 2.Qh6#
- 1...Qc4
- 2.Qh6#
- 1...Qb7
- 2.Qh6#
- 1...Qa1
- 2.Qh6#
- 1...Qa4
- 2.Qh6#
- 1...Qb6
- 2.Qh6#
- 1...Qc6
- 2.Qh6#
- 1...Sf3
- 2.Sg6#
- 2.Rg4#
- 1...Sg4
- 2.Rd4#
- 2.Rxg4#
- 1...Sb5
- 2.Qh6#
- 1...Sc6
- 2.Qh6#
- 1...Qxd6!
- threat
- 1.Sd3+?
- 1...Kf3
- 2.Sg5#
- 2.Rg3#
- 1...Qxd3!
- 1...Kf3
- 1.Bg4?
- threat
- 2.Qf5#
- 1...Sxg4
- 2.Rxg4#
- 1...Qc8
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qg6!
- threat
- 1.Be6?
- threat
- 2.Rf8#
- 2.Qf5#
- 1...Qb7
- 2.Qf5#
- 1...Qc8
- 2.Qf5#
- 1...Qa3
- 2.Qf5#
- 1...Qd6
- 2.Qf5#
- 1...Sg4
- 2.Rxg4#
- 2.Qf5#
- 1...Qxe6+!
- threat
- 1.Bf6?
- threat
- 2.Bg5#
- 1...Sf3
- 2.Sg6#
- 2.Rg4#
- 1...Qxf6!
- threat
- 1.Qh6+?
- 1...Kxf5
- 2.Sg3#
- 1...Qxh6!
- 1...Kxf5
- 1.Sd2?
- Keys
- 1.Sg3!
- threat
- 2.Rd4#
- 1...Qd3
- 2.Qh6#
- 1...Qc4
- 2.Qh6#
- 1...Qb7
- 2.Sxe2#
- 2.Qh6#
- 1...Qa1
- 2.Sxe2#
- 2.Qh6#
- 1...Qa4
- 2.Sxe2#
- 2.Qh6#
- 1...Qb6
- 2.Sxe2#
- 1...Qc6
- 2.Sxe2#
- 1...Qd6
- 2.Sxe2#
- 1...Qf6
- 2.Sxe2#
- 1...Sf3
- 2.Rg4#
- 1...Sb5
- 2.Sxe2#
- 1...Sc6
- 2.Qh6#
- threat
- 1.Sg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 2
- Sets
- S(b);N_GUARD::R1(I)
- S(b);N_GUARD::R1(I),XS(b)
- Tries
- Try
- S(B);
- Threat
- R(D)
- Vars
- Q(e);N_GUARD::S(E)
- S(b);N_GUARD::R1(I)
- S(f);S_CUTQ(e)::S(E)
- Refutation
- P(c);XS(B)
- Try
- S(B);
- Threat
- R(D)
- Vars
- Q(e);N_GUARD::S(B)
- S(b);N_GUARD::R1(I)
- S(f);S_CUTQ(e)::S(B)
- Refutation
- Q(e);
- Try
- S(B);
- Threat
- R(D)
- Vars
- Q(e);N_GUARD::S(E)
- S(f);S_CUTQ(e)::S(E)
- Refutation
- S(b);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(e);::QAB(H)
- S(f);::QAB(H)
- Refutation
- Q(e);XS(B)
- Try
- S(E);CHECK
- Refutation
- Q(e);XS(E)
- Try
- B(F);
- Threat
- QAR1(H)
- Vars
- S(b);OGATE,XB(F)::R1(I),XS(b)
- Q(e);N_GUARD,P_PINB(F)::S(E)
- Q(e);N_GUARD::S(E)
- Refutation
- Q(e);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(e);::QAR1(H)
- Q(e);P_PINB(F)::QAR1(H)
- Refutation
- Q(e);CHECK,XB(F)
- Try
- B(J);
- Threat
- B(J)
- Refutation
- Q(e);XB(J)
- Try
- Q(H);CHECK
- Vars
- K(d);P-FLIGHT,XB(F)::S(B)
- Refutation
- Q(e);XQ(H)
- Try
- Actual
- S(B);
- Threat
- R(D)
- Vars
- Q(e);N_GUARD::QAB(H)
- Q(e);N_GUARD::S(B),XP(a)
- S(b);N_GUARD::R1(I)
- S(f);S_CUTQ(e)::S(B),XP(a)
- S(f);S_CUTQ(e)::QAB(H)
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).