MESON Chess Problem Database
Problem Display
PID: 265922 (1b2r3/3pp3/KBp3B1/pR1N2Q1/2k5/2ppRN2/7n/4rb2 w - - 0 1)
Castellari, Umberto
Piatesi, Antonio
3/4 HM., To Mat, 1954
#2
8 + 12
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Re4#
- 1...Rb1
- 2.Re4#
- 1...Rc1
- 2.Re4#
- 1...Rd1
- 2.Re4#
- 1...Re2
- 2.Bxd3#
- 1...Rxe3
- 2.Sxe3#
- 1...Be2
- 2.Re4#
- 1...Bg2
- 2.Bxd3#
- 1...Bh3
- 2.Bxd3#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Sxe5#
- 1...Ba7
- 2.Se5#
- 2.Qf4#
- 1...c2
- 2.Sd2#
- 1...d2
- 2.Rxc3#
- 1...a4
- 2.Rb4#
- 1...cxd5
- 2.Qxd5#
- 1...d6
- 2.Qf4#
- 1...Ra1
- Tries
- 1.Sc7?
- threat
- 2.Se5#
- 2.Qf4#
- 2.Qc5#
- 1...Rxe3
- 2.Qc5#
- 1...Bxc7
- 2.Qc5#
- 1...Sxf3
- 2.Qc5#
- 1...cxb5
- 2.Qxb5#
- 1...c2
- 2.Qc5#
- 1...Rf8
- 2.Se5#
- 2.Qc5#
- 1...Sg4
- 2.Qf4#
- 2.Qxg4#
- 2.Qc5#
- 1...c5
- 2.Qf4#
- 2.Qxc5#
- 2.Qd5#
- 1...d5
- 2.Se5#
- 1...d6
- 2.Qf4#
- 1...e5!
- threat
- 1.Sxe7?
- threat
- 2.Qc5#
- 1...cxb5
- 2.Qxb5#
- 1...Be5
- 2.Sxe5#
- 1...Bd6
- 2.Bf7#
- 1...c5
- 2.Qxc5#
- 2.Qd5#
- 1...d6
- 2.Qf4#
- 1...d5!
- threat
- 1.Rxe1?
- threat
- 2.Se3#
- 2.Re4#
- 1...Sxf3
- 2.Se3#
- 1...cxd5
- 2.Qxd5#
- 1...Be2
- 2.Se3#
- 1...Bf4
- 2.Re4#
- 2.Qxf4#
- 1...Be5
- 2.Sxe5#
- 2.Se3#
- 1...Sg4
- 2.Re4#
- 1...c2
- 2.Sd2#
- 2.Re4#
- 1...d2
- 2.Se3#
- 1...cxb5!
- threat
- 1.Qh4+?
- 1...Bf4
- 2.Se5#
- 2.Qxf4#
- 1...Sg4!
- 1...Bf4
- 1.Qg4+?
- 1...Bf4
- 2.Se5#
- 2.Qxf4#
- 1...Sxg4!
- 1...Bf4
- 1.Qe5?
- threat
- 2.Qxc3#
- 2.Qd4#
- 2.Qe4#
- 1...Rxe3
- 2.Sxe3#
- 2.Qxc3#
- 2.Qd4#
- 1...Bxe5
- 2.Sxe5#
- 1...Sxf3
- 2.Qxc3#
- 1...cxd5
- 2.Qd4#
- 2.Qxd5#
- 1...Rc1
- 2.Re4#
- 2.Qd4#
- 2.Qe4#
- 1...c2
- 2.Sd2#
- 2.Qc3#
- 2.Qd4#
- 2.Qe4#
- 1...c5
- 2.Qe4#
- 1...cxb5!
- threat
- 1.Sc7?
- Keys
- 1.Qg2!
- threat
- 2.Qa2#
- 1...Bxg2
- 2.Bxd3#
- 1...Ra1
- 2.Re4#
- 1...Rb1
- 2.Re4#
- 1...Re2
- 2.Bxd3#
- 1...Be2
- 2.Re4#
- 1...c2
- 2.Sd2#
- 1...d2
- 2.Rxc3#
- threat
- 1.Qg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- R(a);N_GUARD::R(A)
- R(a);S_CUTB(b)::B(H),XP(e)
- R(a);XR(A)::S(D),XR(a)
- B(b);S_CUTR(a)::R(A)
- B(b);N_GUARD::B(H),XP(e)
- B(k);N_GUARD::QAR(E),XB(k)
- B(k);N_GUARD::S(B),XB(k)
- P(d);N_GUARD::S(B)
- P(e);OGATE::R1(A),XP(d)
- P(g);N_GUARD::R1(C)
- P(h);OGATE,XS(D)::QAB1(E),XP(h)
- P(i);S_CUTB(k)::QAR(E)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- R(a);XR(A)::QAR1(E)
- B(k);XS(D)::QAR1(E)
- S(c);XS(B)::QAR1(E)
- P(h);OGATE,XR(C)::QAB1(E),XP(h)
- P(d);::QAR1(E)
- P(i);::S(B)
- P(i);::QAR(E)
- Refutation
- P(j);
- Try
- S(D);XP(j)
- Threat
- QAR1(E)
- Vars
- P(h);OGATE,XR(C)::QAB1(E),XP(h)
- B(k);N_GUARD::S(B),XB(k)
- B(k);S_CUTP(i)::B(H)
- P(i);S_CUTB(k)::QAR(E)
- Refutation
- P(i);
- Try
- R(A);XR(a)
- Threat
- DUALS(2)
- Vars
- S(c);XS(B)::S(D)
- P(h);OGATE,XS(D)::QAB1(E),XP(h)
- B(b);::S(D)
- S(c);::R(A)
- P(e);::S(D)
- Refutation
- P(h);XR(C)
- Try
- Q(E);CHECK
- Refutation
- S(c);P_SPINS(c)
- Try
- Q(E);CHECK
- Refutation
- S(c);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- B(k);XQ(E)::S(B),XB(k)
- S(c);XS(B)::QAR1(E),XP(d)
- P(h);::QAR2(E)
- Refutation
- P(h);XR(C)
- Try
- Actual
- Q(E);
- Threat
- QAB(E)
- Vars
- B(b);N_GUARD,XQ(E)::B(H),XP(e)
- R(a);N_GUARD::R(A)
- R(a);S_CUTB(b)::B(H),XP(e)
- B(b);S_CUTR(a)::R(A)
- P(d);N_GUARD::S(B)
- P(e);OGATE::R1(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).