MESON Chess Problem Database
Problem Display
PID: 267656 (2R1K3/1p6/3k4/3BR3/6N1/2prn3/2Q5/4r1Bb w - - 0 1)
Bottacchi, Antonio
L'Illustrazione Italiana, 1918
#2
7 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qg6#
- 1...Rd2
- 2.Qg6#
- 1...Rd4
- 2.Qg6#
- 1...Rxd5
- 2.Qg6#
- 1...Sd1
- 2.Bc5#
- 1...Sf1
- 2.Bc5#
- 1...Sxc2
- 2.Bc5#
- 1...Sg2
- 2.Bc5#
- 1...Sc4
- 2.Bc5#
- 1...Sxd5
- 2.Bc5#
- 1...Sf5
- 2.Bc5#
- 1...b5
- 2.Rc6#
- 1...b6
- 2.Rc6#
- 1...Rd1
- Tries
- 1.Bxe3?
- threat
- 2.Bc5#
- 1...Rdxe3
- 2.Qg6#
- 1...Rxd5
- 2.Qg6#
- 1...Rd4
- 2.Qg6#
- 1...b6
- 2.Rc6#
- 1...Rexe3!
- threat
- 1.Qb3?
- threat
- 2.Re6#
- 2.Qa3#
- 2.Qb4#
- 2.Qb6#
- 1...Rxd5
- 2.Qb6#
- 1...Bxd5
- 2.Qa3#
- 2.Qb4#
- 1...Sxd5
- 2.Bc5#
- 1...Ra1
- 2.Re6#
- 2.Qb4#
- 2.Qb6#
- 1...Rb1
- 2.Re6#
- 1...Rd4
- 2.Re6#
- 2.Qb6#
- 1...Sd1
- 2.Bc5#
- 2.Qa3#
- 2.Qb4#
- 2.Qb6#
- 1...Sf1
- 2.Bc5#
- 2.Qa3#
- 2.Qb4#
- 2.Qb6#
- 1...Sc2
- 2.Bc5#
- 2.Qb6#
- 1...Sg2
- 2.Bc5#
- 2.Qa3#
- 2.Qb4#
- 2.Qb6#
- 1...Sc4
- 2.Bc5#
- 2.Qb4#
- 1...Sf5
- 2.Bc5#
- 2.Qa3#
- 2.Qb4#
- 2.Qb6#
- 1...c2
- 2.Re6#
- 2.Qb4#
- 2.Qb6#
- 1...b5
- 2.Re6#
- 2.Rc6#
- 2.Qb4#
- 1...b6
- 2.Re6#
- 2.Rc6#
- 2.Qa3#
- 2.Qb4#
- 2.Qxb6#
- 1...Sxg4!
- threat
- 1.Qa4?
- threat
- 2.Qd7#
- 2.Qa3#
- 2.Qb4#
- 1...Rxd5
- 2.Qd7#
- 1...Sxd5
- 2.Bc5#
- 2.Qd7#
- 1...Ra1
- 2.Qd7#
- 2.Qb4#
- 1...Rb1
- 2.Qd7#
- 1...Rd4
- 2.Qd7#
- 1...Sc2
- 2.Bc5#
- 2.Qd7#
- 1...Sc4
- 2.Bc5#
- 2.Qd7#
- 2.Qb4#
- 1...c2
- 2.Qd7#
- 2.Qb4#
- 1...b5
- 2.Rc6#
- 2.Qb4#
- 2.Qa6#
- 1...Sxg4!
- threat
- 1.Qh2?
- threat
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qh6#
- 1...Rxg1
- 2.Qh6#
- 1...Rxd5
- 2.Qh6#
- 1...Bxd5
- 2.Rxe3#
- 2.Re4#
- 2.Re7#
- 1...Sxg4
- 2.Bc5#
- 1...Sxd5
- 2.Bc5#
- 1...Re2
- 2.Qh6#
- 1...Rd2
- 2.Qh6#
- 1...Rd4
- 2.Qh6#
- 1...Be4
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Sd1
- 2.Bc5#
- 2.Qh6#
- 1...Sf1
- 2.Bc5#
- 2.Qh6#
- 1...Sc2
- 2.Bc5#
- 2.Qh6#
- 1...Sg2
- 2.Bc5#
- 2.Qh6#
- 1...Sc4
- 2.Bc5#
- 2.Qh6#
- 1...Sf5
- 2.Bc5#
- 1...Rf1!
- threat
- 1.Qxc3?
- threat
- 2.Rd8#
- 2.Qb4#
- 2.Qc5#
- 2.Qc7#
- 1...Rxd5
- 2.Rd8#
- 2.Qc7#
- 1...Sxg4
- 2.Bc5#
- 2.Rd8#
- 2.Qc7#
- 1...Sxd5
- 2.Bc5#
- 2.Rd8#
- 2.Qc5#
- 1...Rb1
- 2.Rd8#
- 2.Qc5#
- 2.Qc7#
- 1...Rc1
- 2.Rd8#
- 1...Rd4
- 2.Rd8#
- 2.Qc5#
- 2.Qc7#
- 1...Sc2
- 2.Bc5#
- 2.Rd8#
- 2.Qc5#
- 2.Qc7#
- 1...Sc4
- 2.Bc5#
- 2.Qb4#
- 1...b6
- 2.Rc6#
- 2.Rd8#
- 2.Qb4#
- 2.Qc6#
- 2.Qc7#
- 1...Rxc3!
- threat
- 1.Bxe3?
- Keys
- 1.Re7!
- threat
- 2.Rd7#
- 1...Kxd5
- 2.Qxd3#
- 1...Rxd5
- 2.Qg6#
- 1...Bxd5
- 2.Bh2#
- 2.Qh2#
- 1...Sxc2
- 2.Rd8#
- 1...Sxg4
- 2.Rd8#
- 1...Sxd5
- 2.Bc5#
- 1...Sd1
- 2.Rd8#
- 1...Sf1
- 2.Rd8#
- 1...Sg2
- 2.Rd8#
- 1...Sc4
- 2.Rd8#
- 1...Sf5
- 2.Rd8#
- threat
- 1.Re7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- R(d);OGATE::QAR(B)
- R(d);OGATE,XB(D)::QAR(B)
- S(e);OGATE,P_PINR(E)::B(A)
- S(e);OGATE,P_PINR(E),XQ(B)::B(A)
- S(e);OGATE,P_PINR(E),XB(D)::B(A)
- P(g);N_GUARD::R1(F)
- Tries
- Try
- B(A);XS(e)
- Threat
- B(A)
- Vars
- R(d);OGATE,P_PINR(E),XB(A)::QAR(B)
- R(d);OGATE,XB(D)::QAR(B)
- R(d);OGATE::QAR(B)
- P(g);N_GUARD::R1(F)
- Refutation
- R(a);P_PINR(E),XB(A)
- Try
- Q(B);
- Threat
- DUALS(4)
- Vars
- R(d);XB(D)::QAR2(B)
- S(e);OGATE,P_PINR(E),XB(D)::B(A)
- R(a);::R1(E)
- Refutation
- S(e);P_PINR(E),XS(C)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- R(d);XB(D)::QAR1(B)
- R(a);::QAR1(B)
- R(d);::QAR1(B)
- Refutation
- S(e);P_PINR(E),XS(C)
- Try
- Q(B);
- Threat
- DUALS(4)
- Vars
- R(a);XB(A)::QAR(B)
- R(d);XB(D)::QAR(B)
- S(e);OGATE,P_PINR(E),XS(C)::B(A)
- S(e);OGATE,P_PINR(E),XB(D)::B(A)
- R(a);::QAR(B)
- R(d);::QAR(B)
- S(e);OGATE,P_PINR(E)::B(A)
- Refutation
- R(a);
- Try
- Q(B);XP(c)
- Threat
- DUALS(4)
- Vars
- R(a);::R(F)
- Refutation
- R(d);XQ(B)
- Try
- Actual
- R(E);
- Threat
- R1(E)
- Vars
- K(f);OGATEB,P-FLIGHT,XB(D)::QAR2(B),XR(d)
- R(d);OGATE,SBLOCK,XB(D)::QAR(B)
- S(e);P_PINR(E),XQ(B)::R(F)
- S(e);P_PINR(E),XS(C)::R(F)
- S(e);OGATE,P_PINR(E),SBLOCK,XB(D)::B(A)
- S(e);P_PINR(E)::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).