MESON Chess Problem Database
Problem Display
PID: 269880 (qB6/1Q6/n1r3n1/4pbR1/1b2k3/4P3/B3P3/3N2K1 w - - 0 1)
Chicco, Adriano
2nd HM., Nanning MT (Probleemblad), 1959
#2
8 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Qa7
- 2.Qxc6#
- 1...Qxb8
- 2.Qxc6#
- 1...Bc3
- 2.Qb1#
- 1...Bc5
- 2.Qb1#
- 1...Sc5
- 2.Qxb4#
- 1...Qa7
- Tries
- 1.Ba7?
- threat
- 2.Sf2#
- 1...Qxa7
- 2.Qxc6#
- 1...Bc5
- 2.Qb1#
- 1...Sc5
- 2.Qxb4#
- 1...Be1!
- threat
- 1.Qxb4+?
- 1...Rc4
- 2.Qxc4#
- 1...Sxb4!
- 1...Rc4
- 1.Qd7?
- threat
- 2.Bd5#
- 2.Qxf5#
- 2.Qd3#
- 2.Qd5#
- 1...Rc1
- 2.Qxf5#
- 2.Qd3#
- 1...Rc2
- 2.Qxf5#
- 2.Qd3#
- 1...Rc3
- 2.Qxf5#
- 1...Rc4
- 2.Qd3#
- 1...Rc5
- 2.Qxf5#
- 2.Qd3#
- 1...Rb6
- 2.Bb1#
- 2.Qxf5#
- 2.Qd3#
- 1...Rd6
- 2.Qxf5#
- 1...Re6
- 2.Bb1#
- 2.Qd3#
- 1...Rf6
- 2.Bb1#
- 2.Qd3#
- 1...Rc7
- 2.Qxf5#
- 2.Qd3#
- 1...Rc8
- 2.Qxf5#
- 2.Qd3#
- 1...Bd6
- 2.Qxf5#
- 1...Bh3
- 2.Bd5#
- 2.Qd3#
- 2.Qd5#
- 1...Bg4
- 2.Bd5#
- 2.Qd3#
- 2.Qd5#
- 1...Be6
- 2.Qd3#
- 1...Sc5
- 2.Bd5#
- 2.Qxf5#
- 2.Qd5#
- 1...Sc7
- 2.Qxf5#
- 2.Qd3#
- 1...Sf4
- 2.Qxf5#
- 1...Sh4
- 2.Bd5#
- 2.Qd3#
- 2.Qd5#
- 1...Se7
- 2.Qd3#
- 1...Bxd7!
- threat
- 1.Qf7?
- threat
- 2.Bd5#
- 2.Qd5#
- 2.Qxf5#
- 1...Rc1
- 2.Qxf5#
- 1...Rc2
- 2.Qxf5#
- 1...Rc3
- 2.Qxf5#
- 1...Rc4
- 2.Qxc4#
- 1...Rc5
- 2.Qxf5#
- 1...Rb6
- 2.Bb1#
- 2.Qc4#
- 2.Qxf5#
- 1...Rd6
- 2.Qxf5#
- 1...Re6
- 2.Qxf5#
- 1...Rf6
- 2.Bb1#
- 2.Qc4#
- 1...Rc7
- 2.Qxf5#
- 1...Rc8
- 2.Qxf5#
- 1...Bh3
- 2.Bd5#
- 2.Qd5#
- 2.Qf3#
- 1...Bg4
- 2.Bd5#
- 2.Qd5#
- 1...Be6
- 2.Qf3#
- 1...Bd7
- 2.Bd5#
- 2.Qd5#
- 2.Qf3#
- 1...Bc8
- 2.Bd5#
- 2.Qd5#
- 2.Qf3#
- 1...Sc7
- 2.Qxf5#
- 1...Sf4
- 2.Qxf5#
- 1...Sh4
- 2.Bd5#
- 2.Qd5#
- 1...Se7!
- threat
- 1.Ba7?
- Keys
- 1.Qh7!
- threat
- 2.Qh1#
- 1...Bh3
- 2.Rxe5#
- 1...Bg4
- 2.Rxe5#
- 1...Sf4
- 2.Qxf5#
- 1...Sh4
- 2.Rg4#
- threat
- 1.Qh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- Q(h);N_GUARD,P_PINP(E)::QAB(G),XR(f)
- Q(h);N_GUARD,XB(H)::QAB(G),XR(f)
- B(a);OGATE::QAB(G)
- B(a);OGATE,P_PINP(E)::QAB(G)
- S(e);N_GUARD::QAR(G),XB(a)
- Tries
- Try
- B(H);
- Threat
- S(A)
- Vars
- Q(h);N_GUARD,P_PINP(E),XB(H)::QAB(G),XR(f)
- B(a);OGATE,P_PINP(E)::QAB(G)
- S(e);N_GUARD::QAR(G),XB(a)
- Refutation
- B(a);
- Try
- Q(G);CHECK,N_PINR(f),XB(a)
- Vars
- R(f);N_GUARD,P_SPINR(f)::QAR2(G),XR(f)
- Refutation
- S(e);XQ(G)
- Try
- Q(G);N_PINR(f)
- Threat
- DUALS(4)
- Vars
- R(f);::QAB1(G),XB(d)
- R(f);::QAB1(G)
- B(a);::QAB1(G),XB(d)
- B(d);::QAB1(G)
- S(g);::QAB1(G),XB(d)
- S(g);::QAB1(G)
- Refutation
- B(d);XQ(G)
- Try
- Q(G);N_PINR(f)
- Threat
- DUALS(3)
- Vars
- R(f);P_PINS(A)::QAB1(G),XB(d)
- R(f);::QAB1(G),XB(d)
- R(f);N_GUARD::QAR2(G),XR(f)
- B(d);OGATE::QAB1(G)
- S(e);::QAB1(G),XB(d)
- S(g);::QAB1(G),XB(d)
- Refutation
- S(g);
- Try
- Actual
- Q(G);N_PINR(f)
- Threat
- QAB(G)
- Vars
- B(d);OGATE,P_SPINS(g)::R1(F),XP(c)
- S(g);OGATE,P_SPINB(d)::QAB1(G),XB(d)
- S(g);N_GUARD,P_SPINB(d)::R(F)
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).