MESON Chess Problem Database
Problem Display
PID: 173982 (B1K1Q3/8/3B3r/4p2p/3kr3/N1p1b3/2bn4/2N1n3 w - - 0 1)
Bottacchi, Antonio
2nd HM., L'Italia Scacchistica, 1918
#2
6 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rf4
- 2.Qxe5#
- 1...Rg4
- 2.Qxe5#
- 1...Rh4
- 2.Qxe5#
- 1...Sd3
- 2.Se2#
- 1...Sb3
- 2.Qa4#
- 1...Sc4
- 2.Sb5#
- 1...Rf4
- Tries
- 1.Sxc2+?
- 1...Kc4
- 2.Qa4#
- 1...Sxc2!
- 1...Kc4
- 1.Bxe5+?
- 1...Kc5
- 2.Qb5#
- 1...Rxe5!
- 1...Kc5
- 1.Qa4+?
- 1...Sc4
- 2.Sb5#
- 2.Qxc4#
- 1...Bxa4!
- 1...Sc4
- 1.Qb5?
- threat
- 2.Se2#
- 2.Bc5#
- 2.Qc5#
- 2.Qd5#
- 2.Qb6#
- 1...Rxd6
- 2.Se2#
- 1...Bg1
- 2.Bc5#
- 2.Qc5#
- 2.Qb6#
- 1...Bf2
- 2.Bc5#
- 2.Qc5#
- 2.Qb6#
- 1...Bf4
- 2.Bc5#
- 2.Qc5#
- 2.Qb6#
- 1...Bg5
- 2.Bc5#
- 2.Qc5#
- 2.Qb6#
- 1...Bd1
- 2.Bc5#
- 2.Qc5#
- 2.Qd5#
- 2.Qb6#
- 1...Bb3
- 2.Se2#
- 2.Bc5#
- 2.Qc5#
- 2.Qb6#
- 1...Bd3
- 2.Bc5#
- 2.Qc5#
- 2.Qd5#
- 2.Qb6#
- 1...Sd3
- 2.Se2#
- 2.Sxc2#
- 2.Qd5#
- 1...Sb3
- 2.Se2#
- 2.Qa4#
- 2.Qc4#
- 2.Qb4#
- 2.Qd5#
- 1...Sc4
- 2.Bc5#
- 2.Qxc4#
- 2.Qc5#
- 2.Qd5#
- 1...Rh8+!
- threat
- 1.Qc6?
- threat
- 2.Sb5#
- 2.Bc5#
- 2.Qd5#
- 2.Qc5#
- 2.Qb6#
- 1...Rxd6
- 2.Sb5#
- 2.Qxd6#
- 1...Bg1
- 2.Bc5#
- 2.Qc5#
- 2.Qb6#
- 1...Bf2
- 2.Bc5#
- 2.Qc5#
- 2.Qb6#
- 1...Bf4
- 2.Bc5#
- 2.Qc5#
- 2.Qb6#
- 1...Bg5
- 2.Bc5#
- 2.Qc5#
- 2.Qb6#
- 1...Bb3
- 2.Sb5#
- 2.Bc5#
- 2.Qc5#
- 2.Qb6#
- 1...Bd3
- 2.Bc5#
- 2.Qd5#
- 2.Qc5#
- 2.Qb6#
- 1...Ba4
- 2.Bc5#
- 2.Qd5#
- 2.Qc5#
- 2.Qb6#
- 1...Sd3
- 2.Se2#
- 2.Sxc2#
- 2.Sb5#
- 2.Qd5#
- 1...Sb3
- 2.Sb5#
- 2.Qa4#
- 2.Qd5#
- 2.Qc4#
- 1...Sc4
- 2.Sb5#
- 2.Bc5#
- 2.Qd5#
- 2.Qxc4#
- 2.Qc5#
- 1...Rh8+!
- threat
- 1.Qd8?
- threat
- 2.Qb6#
- 1...Rxd6
- 2.Qxd6#
- 1...Rh8
- 2.Bf8#
- 1...Sd3
- 2.Se2#
- 1...Sc4
- 2.Sb5#
- 1...Sb3!
- threat
- 1.Qf8?
- threat
- 2.Bc5#
- 1...Rxd6
- 2.Qxd6#
- 1...Sd3
- 2.Se2#
- 1...Sb3!
- threat
- 1.Sxc2+?
- Keys
- 1.Qd7!
- threat
- 2.Qa7#
- 1...Rh8+
- 2.Bf8#
- 1...Rxd6
- 2.Qxd6#
- 1...Rh7
- 2.Be7#
- 1...Sd3
- 2.Se2#
- 1...Sb3
- 2.Qa4#
- 1...Sc4
- 2.Sb5#
- threat
- 1.Qd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(g);N_GUARD::QAB1(F),XP(h)
- S(a);SBLOCK::S(A)
- S(c);N_GUARD,S_CUTB(b)::QAR(F)
- S(c);SBLOCK::S(B)
- Tries
- Try
- S(B);CHECK,XB(b)
- Vars
- K(f);P-FLIGHT::QAR2(F)
- Refutation
- S(a);XS(B)
- Try
- B(C);CHECK,XP(h)
- Vars
- K(f);S_FLIGHT::QAR1(F)
- Refutation
- R(g);XB(C)
- Try
- Q(F);CHECK
- Refutation
- B(b);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(5)
- Vars
- R(j);XB(C)::S(A)
- Refutation
- R(j);CHECK
- Try
- Q(F);
- Threat
- DUALS(5)
- Refutation
- R(j);CHECK
- Try
- Q(F);
- Threat
- QAB(F)
- Vars
- R(j);OGATE,P_SPINR(j),XB(C)::QAR2(F),XR(j)
- R(j);N_GUARD,P_PINQ(F)::QAR(F)+B(C)
- S(a);SBLOCK::S(A)
- S(c);SBLOCK::S(B)
- Refutation
- S(c);
- Try
- Q(F);
- Threat
- B(C)
- Vars
- R(j);OGATE,XB(C)::QAR2(F),XR(j)
- S(a);SBLOCK::S(A)
- Refutation
- S(c);
- Try
- Actual
- Q(F);
- Threat
- QAB(F)
- Vars
- R(j);CHECK,N_GUARD::QAR(F)+B(C)
- R(j);OGATE,P_SPINR(j),XB(C)::QAR2(F),XR(j)
- R(j);N_GUARD::QAR(F)+B(C)
- S(a);SBLOCK::S(A)
- S(c);N_GUARD,S_CUTB(b)::QAR(F)
- S(c);SBLOCK::S(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).