MESON Chess Problem Database
Problem Display
PID: 173985 (K1n5/6Pr/pb6/3rpNR1/4k3/1B2p3/4P2B/q3Q3 w - - 0 1)
Bottacchi, Antonio
L'Illustrazione Italiana, 1917
#2
8 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Qh1#
- 1...Qc3
- 2.Qh1#
- 1...Qd4
- 2.Qh1#
- 1...Qa2
- 2.Qh1#
- 1...Qa3
- 2.Qh1#
- 1...Qa4
- 2.Qh1#
- 1...Qa5
- 2.Qh1#
- 1...Rh4
- 2.Qxh4#
- 1...Rxg7
- 2.Qh4#
- 1...Bd4
- 2.Bc2#
- 1...Qb2
- Tries
- 1.Sg3+?
- 1...Kd4
- 2.Qb4#
- 1...Kf4!
- 1...Kd4
- 1.Sh4?
- threat
- 2.Rg4#
- 1...Kd4
- 2.Qb4#
- 1...Rxh4
- 2.Qxh4#
- 1...Rxg7!
- threat
- 1.Sh6?
- threat
- 2.Rg4#
- 2.Qh4#
- 1...Kd4
- 2.Qb4#
- 1...Qxe1
- 2.Rg4#
- 1...Rxg7
- 2.Qh4#
- 1...Rxh6!
- threat
- 1.Se7?
- threat
- 2.Rg4#
- 1...Kd4
- 2.Qb4#
- 1...Rxg7
- 2.Qh4#
- 1...Rh4
- 2.Qxh4#
- 1...Sxe7!
- threat
- 1.Qf2?
- threat
- 2.Rg4#
- 2.Qg2#
- 2.Qf3#
- 1...Rxh2
- 2.Rg4#
- 2.Qf3#
- 1...Rxg7
- 2.Qh4#
- 2.Qg2#
- 2.Qf3#
- 1...Qf1
- 2.Rg4#
- 1...Qg1
- 2.Qf3#
- 1...Qh1
- 2.Rg4#
- 1...Rh3
- 2.Rg4#
- 1...Rh4
- 2.Qxh4#
- 2.Qg2#
- 2.Qf3#
- 1...exf2!
- threat
- 1.Qg3?
- threat
- 2.Qg2#
- 2.Qf3#
- 2.Qg4#
- 1...Rxh2
- 2.Qf3#
- 2.Qg4#
- 1...Qg1
- 2.Qf3#
- 1...Qh1
- 2.Qg4#
- 1...Rh3
- 2.Qg4#
- 1...Rh4
- 2.Qxh4#
- 2.Qg2#
- 2.Qf3#
- 1...Qf1!
- threat
- 1.Qb4+?
- 1...Qd4
- 2.Bc2#
- 1...Bd4
- 2.Bc2#
- 1...Rd4!
- 1...Qd4
- 1.Qb1+?
- 1...Rd3
- 2.Qxd3#
- 1...Qxb1!
- 1...Rd3
- 1.Qf1?
- threat
- 2.Rg4#
- 2.Qg2#
- 2.Qf3#
- 1...Rxh2
- 2.Rg4#
- 2.Qf3#
- 1...Rxg7
- 2.Qg2#
- 2.Qf3#
- 1...Rh3
- 2.Rg4#
- 1...Rh4
- 2.Qg2#
- 2.Qf3#
- 1...Qxf1!
- threat
- 1.Sg3+?
- Keys
- 1.Sd4!
- threat
- 2.Rg4#
- 1...Kxd4
- 2.Qb4#
- 1...Qxd4
- 2.Qh1#
- 1...Rxd4
- 2.Rxe5#
- 1...Rxg7
- 2.Qh4#
- 1...Bxd4
- 2.Bc2#
- 1...exd4
- 2.Bxd5#
- 1...Rh4
- 2.Qxh4#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- Q(a);N_GUARD::QAB(A)
- R(h);N_GUARD::QAR(A),XR(h)
- R(h);N_GUARD,XP(G)::QAR(A)
- B(g);S_CUTR(d)::B(D)
- Tries
- Try
- S(E);CHECK
- Vars
- K(c);P-FLIGHT::QAR2(A)
- Refutation
- K(c);P-FLIGHT
- Try
- S(E);
- Threat
- R(F)
- Vars
- K(c);P-FLIGHT::QAR2(A)
- R(h);OGATE,XS(E)::QAR(A),XR(h)
- Refutation
- R(h);XP(G)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- K(c);P-FLIGHT::QAR2(A)
- Q(a);XQ(A)::R(F)
- R(h);XP(G)::QAR(A)
- Refutation
- R(h);XS(E)
- Try
- S(E);
- Threat
- R(F)
- Vars
- K(c);P-FLIGHT::QAR2(A)
- R(h);N_GUARD,XP(G)::QAR(A)
- R(h);N_GUARD::QAR(A),XR(h)
- Refutation
- S(i);XS(E)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- Q(a);::R(F)
- Q(a);::QAB1(A)
- R(h);::R(F)
- Refutation
- P(b);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- Q(a);::QAB1(A)
- Q(a);::QAR2(A)
- R(h);::QAR2(A)
- Refutation
- Q(a);
- Try
- Q(A);CHECK
- Vars
- Q(a);P_SPINQ(a)::B(D)
- B(g);P_SPINB(g)::B(D)
- Refutation
- R(d);P_SPINR(d)
- Try
- Q(A);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::QAB1(A),XR(d)
- Refutation
- Q(a);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(h);::R(F)
- Refutation
- Q(a);XQ(A)
- Try
- Actual
- S(E);
- Threat
- R(F)
- Vars
- K(c);OGATEB,P-FLIGHT,XS(E)::QAR2(A)
- Q(a);N_GUARD,SBLOCK,XS(E)::QAB(A)
- R(d);N_GUARD,SBLOCK,XS(E)::R1(F),XP(e)
- R(h);N_GUARD,XP(G)::QAR(A)
- B(g);SBLOCK,XS(E)::B(D)
- P(e);SBLOCK,XS(E)::B(D),XR(d)
- R(h);N_GUARD::QAR(A),XR(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).