MESON Chess Problem Database
Problem Display
PID: 174021 (5n2/5B2/3K2b1/N2p2N1/3k4/R2pp3/7p/6Qq w - - 0 1)
Bottacchi, Antonio
L'Illustrazione Italiana, 1917
#2
6 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Qa1#
- 1...Qe4
- 2.Qa1#
- 1...d2
- 2.Qxe3#
- 1...Qf3
- Tries
- 1.Sf3+?
- 1...Ke4
- 2.Qg4#
- 1...Qxf3!
- 1...Ke4
- 1.Se6+?
- 1...Ke4
- 2.Qg4#
- 1...Sxe6!
- 1...Ke4
- 1.Bxg6?
- threat
- 2.Rxd3#
- 1...Qe4
- 2.Qa1#
- 1...d2
- 2.Rd3#
- 2.Qxe3#
- 1...Sxg6!
- threat
- 1.Qf2?
- threat
- 2.Qb2#
- 2.Qf6#
- 1...Qg2
- 2.Qf6#
- 1...Qf3
- 2.Qb2#
- 1...Qe4
- 2.Qb2#
- 1...Qa1
- 2.Qf6#
- 1...Qb1
- 2.Qf6#
- 1...Qc1
- 2.Qf6#
- 1...Qe1
- 2.Qf6#
- 1...Qf1
- 2.Qb2#
- 1...Bf5
- 2.Qb2#
- 1...Sd7
- 2.Qb2#
- 1...Sh7
- 2.Qb2#
- 1...d2
- 2.Qxe3#
- 2.Qf6#
- 1...exf2!
- threat
- 1.Qxh2?
- threat
- 2.Qe5#
- 2.Qb2#
- 1...e2
- 2.Qe5#
- 2.Qf2#
- 1...Qg2
- 2.Qe5#
- 2.Qh8#
- 1...Qe4
- 2.Qb2#
- 1...Qa1
- 2.Qe5#
- 2.Qh8#
- 1...Qb1
- 2.Qe5#
- 2.Qh8#
- 1...Qc1
- 2.Qe5#
- 2.Qh8#
- 1...Qe1
- 2.Qe5#
- 2.Qh8#
- 1...Sd7
- 2.Qb2#
- 1...d2
- 2.Qe5#
- 1...Qxh2+!
- threat
- 1.Qc1?
- threat
- 2.Sb3#
- 2.Sc6#
- 2.Ra4#
- 2.Qb2#
- 2.Qc3#
- 2.Qc5#
- 1...Qg2
- 2.Sb3#
- 2.Sc6#
- 2.Ra4#
- 2.Qc3#
- 2.Qc5#
- 1...Qd1
- 2.Sc6#
- 2.Qb2#
- 2.Qc3#
- 2.Qc5#
- 1...Qe1
- 2.Sb3#
- 2.Sc6#
- 2.Qc5#
- 1...Se6
- 2.Sb3#
- 2.Sc6#
- 2.Ra4#
- 2.Qb2#
- 2.Qc3#
- 1...Sd7
- 2.Sb3#
- 2.Sc6#
- 2.Ra4#
- 2.Qb2#
- 2.Qc3#
- 1...d2
- 2.Sc6#
- 2.Qb2#
- 2.Qc3#
- 2.Qc5#
- 1...e2
- 2.Sb3#
- 2.Sc6#
- 2.Ra4#
- 2.Qc5#
- 1...Qxc1!
- threat
- 1.Qe1?
- threat
- 2.Ra4#
- 2.Qc3#
- 2.Qb4#
- 1...e2
- 2.Qf2#
- 1...d2
- 2.Qxe3#
- 1...Qxe1!
- threat
- 1.Qxh1?
- threat
- 2.Qxd5#
- 2.Qa1#
- 1...Bxf7
- 2.Qa1#
- 1...Be4
- 2.Qa1#
- 1...e2!
- threat
- 1.Qg4+?
- 1...Qe4
- 2.Sf3#
- 1...Be4!
- 1...Qe4
- 1.Sf3+?
- Keys
- 1.Se4!
- threat
- 2.Ra4#
- 1...Kxe4
- 2.Qg4#
- 1...Qxe4
- 2.Qa1#
- 1...Bxe4
- 2.Qg7#
- 1...dxe4
- 2.Sc6#
- 1...d2
- 2.Qxe3#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- Q(a);N_GUARD::QAB(A)
- P(c);::QAB1(A),XP(d)
- Tries
- Try
- S(D);CHECK
- Vars
- K(e);N_SPINP(d),P-FLIGHT::QAR2(A)
- Refutation
- Q(a);XS(D)
- Try
- S(D);CHECK
- Vars
- K(e);N_SPINP(d),P-FLIGHT::QAR2(A)
- Refutation
- S(h);XS(D)
- Try
- B(F);XB(g)
- Threat
- R1(B),XP(c)
- Vars
- Q(a);N_GUARD::QAB(A)
- Refutation
- S(h);XB(F)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB(A)
- B(g);::QAB(A)
- S(h);::QAB(A)
- Refutation
- P(d);N_SPINP(d),XQ(A)
- Try
- Q(A);N_PINP(d),XP(b)
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB(A)
- S(h);::QAB(A)
- P(c);::QAB1(A)
- Refutation
- Q(a);CHECK,XQ(A)
- Try
- Q(A);N_PINP(d)
- Threat
- DUALS(6)
- Refutation
- Q(a);XQ(A)
- Try
- Q(A);N_PINP(d)
- Threat
- DUALS(3)
- Vars
- P(d);OGATEB::QAB(A)
- P(c);::QAB1(A),XP(d)
- Refutation
- Q(a);XQ(A)
- Try
- Q(A);N_PINP(d),XQ(a)
- Threat
- DUALS(2)
- Vars
- B(g);XB(F)::QAB(A)
- B(g);::QAB(A)
- Refutation
- P(d);
- Try
- Q(A);CHECK,N_PINP(d)
- Vars
- Q(a);P_SPINQ(a)::S(D)
- Refutation
- B(g);P_SPINB(g)
- Try
- Actual
- S(D);
- Threat
- R(B)
- Vars
- K(e);N_SPINP(d),OGATEB,P-FLIGHT,XS(D)::QAR2(A)
- Q(a);N_GUARD,SBLOCK,XS(D)::QAB(A)
- B(g);OGATE,SBLOCK,XS(D)::QAB(A)
- P(f);SBLOCK,XS(D)::S(C)
- P(c);::QAB1(A),XP(d)
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).