MESON Chess Problem Database
Problem Display
PID: 189990 (KQ6/3BpR2/3p4/3Pk3/2R2NP1/5Pp1/pp5q/rb6 w - - 0 1)
Guidelli, Giorgio
L'Italia Scacchistica, 1913
#2
9 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Qh8#
- 1...Qh1
- 2.Qxb2#
- 1...Qc2
- 2.Qh8#
- 1...Qd2
- 2.Qh8#
- 1...Qe2
- 2.Qh8#
- 1...Qf2
- 2.Qh8#
- 1...Qg2
- 2.Qh8#
- 1...Qh3
- 2.Qxb2#
- 1...Qh4
- 2.Qxb2#
- 1...Qh5
- 2.Qxb2#
- 1...Qh6
- 2.Qxb2#
- 1...Qh7
- 2.Qxb2#
- 1...Qh8
- 2.Qxh8#
- 1...Bc2
- 2.Qxb2#
- 1...Be4
- 2.Rxe4#
- 1...Bf5
- 2.Rxf5#
- 1...Bh7
- 2.Qh8#
- 1...g2
- 2.Qxb2#
- 1...Qg1
- Tries
- 1.Sd3+?
- 1...Kxd5
- 2.Qb5#
- 1...Bxd3!
- 1...Kxd5
- 1.Sg6+?
- 1...Kxd5
- 2.Qb5#
- 1...Bxg6!
- 1...Kxd5
- 1.Bc6?
- 1...Qg1
- 2.Qh8#
- 1...Qh1
- 2.Qxb2#
- 1...Qc2
- 2.Qh8#
- 1...Qd2
- 2.Qh8#
- 1...Qe2
- 2.Qh8#
- 1...Qf2
- 2.Qh8#
- 1...Qg2
- 2.Qh8#
- 1...Qh3
- 2.Qxb2#
- 1...Qh4
- 2.Qxb2#
- 1...Qh5
- 2.Qxb2#
- 1...Qh6
- 2.Qxb2#
- 1...Qh7
- 2.Qxb2#
- 1...Qh8
- 2.Qxh8#
- 1...Bc2
- 2.Qxb2#
- 1...Bd3
- 2.Sxd3#
- 1...Be4
- 2.Rxe4#
- 1...Bf5
- 2.Rxf5#
- 1...Bg6
- 2.Sxg6#
- 1...Bh7
- 2.Qh8#
- 1...g2
- 2.Qxb2#
- 1...e6!
- 1...Qg1
- 1.Rc2?
- threat
- 2.Qxb2#
- 1...Qxc2
- 2.Qh8#
- 1...Qg1
- 2.Qh8#
- 1...Qd2
- 2.Qh8#
- 1...Qf2
- 2.Qh8#
- 1...Qh8
- 2.Qxh8#
- 1...Kd4!
- threat
- 1.g5?
- threat
- 2.Rxe7#
- 1...Qh3
- 2.Qxb2#
- 1...Qh6
- 2.Qxb2#
- 1...Qh7
- 2.Qxb2#
- 1...Be4
- 2.Rxe4#
- 1...Bf5
- 2.Rxf5#
- 1...e6!
- threat
- 1.Sd3+?
- Keys
- 1.Be6!
- 1...Qg1
- 2.Qh8#
- 1...Qh1
- 2.Qxb2#
- 1...Qc2
- 2.Qh8#
- 1...Qd2
- 2.Qh8#
- 1...Qe2
- 2.Qh8#
- 1...Qf2
- 2.Qh8#
- 1...Qg2
- 2.Qh8#
- 1...Qh3
- 2.Qxb2#
- 1...Qh4
- 2.Qxb2#
- 1...Qh5
- 2.Qxb2#
- 1...Qh6
- 2.Qxb2#
- 1...Qh7
- 2.Qxb2#
- 1...Qh8
- 2.Qxh8#
- 1...Bc2
- 2.Qxb2#
- 1...Bd3
- 2.Sxd3#
- 1...Be4
- 2.Rxe4#
- 1...Bf5
- 2.Rxf5#
- 1...Bg6
- 2.Sxg6#
- 1...Bh7
- 2.Qh8#
- 1...g2
- 2.Qxb2#
- 1...Qg1
- 1.Be6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(e);N_GUARD::QAB(I)
- Q(e);N_GUARD::QAB(I),XP(d)
- Q(e);N_GUARD,P_PINQ(I)::QAB(I),XQ(e)
- B(b);S_CUTQ(e)::QAB(I),XP(d)
- B(b);N_GUARD,P_PINP(E)::R1(B),XB(b)
- B(b);N_GUARD::R1(G),XB(b)
- B(b);S_CUTQ(e)::QAB(I)
- P(f);S_CUTQ(e)::QAB(I),XP(d)
- Tries
- Try
- S(C);CHECK
- Vars
- K(g);N_SPINP(h),P-FLIGHT,XP(E)::QAR2(I)
- Refutation
- B(b);XS(C)
- Try
- S(C);CHECK
- Vars
- K(g);N_SPINP(h),P-FLIGHT,XP(E)::QAR2(I)
- Refutation
- B(b);XS(C)
- Try
- B(F);
- Vars
- Q(e);N_GUARD::QAB(I)
- Q(e);N_GUARD::QAB(I),XP(d)
- Q(e);N_GUARD,P_PINQ(I)::QAB(I),XQ(e)
- B(b);S_CUTQ(e)::QAB(I),XP(d)
- B(b);N_GUARD::S(C),XB(b)
- B(b);N_GUARD::R1(B),XB(b)
- B(b);N_GUARD::R1(G),XB(b)
- B(b);S_CUTQ(e)::QAB(I)
- P(f);S_CUTQ(e)::QAB(I),XP(d)
- Refutation
- P(i);
- Try
- R(B);
- Threat
- QAB(I),XP(d)
- Vars
- Q(e);N_GUARD,XR(B)::QAB(I)
- Q(e);N_GUARD::QAB(I)
- Q(e);N_GUARD,P_PINQ(I)::QAB(I),XQ(e)
- Refutation
- K(g);N_SPINP(h),S_FLIGHT
- Try
- P(D);
- Threat
- R(G),XP(i)
- Vars
- Q(e);N_GUARD::QAB(I),XP(d)
- B(b);N_GUARD,P_PINP(E)::R1(B),XB(b)
- B(b);N_GUARD::R1(G),XB(b)
- Refutation
- P(i);
- Try
- Actual
- B(F);
- Vars
- Q(e);N_GUARD::QAB(I)
- Q(e);N_GUARD::QAB(I),XP(d)
- Q(e);N_GUARD,P_PINQ(I)::QAB(I),XQ(e)
- B(b);S_CUTQ(e)::QAB(I),XP(d)
- B(b);N_GUARD::S(C),XB(b)
- B(b);N_GUARD,P_PINP(E)::R1(B),XB(b)
- B(b);N_GUARD::R1(G),XB(b)
- B(b);S_CUTQ(e)::QAB(I)
- P(f);S_CUTQ(e)::QAB(I),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).