MESON Chess Problem Database
Problem Display
PID: 173969 (1KR5/1pQ5/4R2p/2B1r1p1/P1k5/2pN2br/2P1B3/1b6 w - - 0 1)
Bottacchi, Antonio
Rivista Scacchistica Italiana, 1919
#2
9 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Sb2#
- 2.Se5#
- 1...Rf5
- 2.Sb4#
- 2.Sf4#
- 1...Rd5
- Tries
- 1.Sf2+?
- 1...Kd5
- 2.Rd6#
- 2.Qd6#
- 2.Qd7#
- 1...Rxe2!
- 1...Kd5
- 1.Bg1+?
- 1...Kd5
- 2.Qc4#
- 1...Rc5!
- 1...Kd5
- 1.Bf2+?
- 1...Kd5
- 2.Qc4#
- 1...Rc5!
- 1...Kd5
- 1.Be3+?
- 1...Kd5
- 2.Qc4#
- 1...Rc5!
- 1...Kd5
- 1.Bb6+?
- 1...Kd5
- 2.Qc4#
- 1...Rc5!
- 1...Kd5
- 1.Bd6+?
- 1...Kd5
- 2.Qc4#
- 1...Rc5
- 2.Qxc5#
- 1...Kd4!
- 1...Kd5
- 1.Ba7+?
- 1...Kd5
- 2.Qc4#
- 1...Rc5!
- 1...Kd5
- 1.Rxe5?
- threat
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bb6#
- 2.Ba7#
- 2.Qf7#
- 1...Bxc2
- 2.Qf7#
- 1...Rh2
- 2.Sb2#
- 2.Sf2#
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bb6#
- 2.Ba7#
- 2.Qf7#
- 1...Be1
- 2.Sb2#
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bb6#
- 2.Ba7#
- 2.Qf7#
- 1...Bf2
- 2.Sb2#
- 2.Bxf2#
- 2.Be3#
- 2.Qf7#
- 1...Bh2
- 2.Sb2#
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bb6#
- 2.Ba7#
- 2.Qf7#
- 1...Bf4
- 2.Sb2#
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bb6#
- 2.Ba7#
- 2.Qf7#
- 1...Bh4
- 2.Sb2#
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bb6#
- 2.Ba7#
- 2.Qf7#
- 1...b6
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bxb6#
- 2.Qf7#
- 1...Bxe5!
- threat
- 1.Rd6?
- threat
- 2.Sb2#
- 2.Sxe5#
- 2.Rd4#
- 1...Rxe2
- 2.Bg1#
- 2.Bf2#
- 2.Ba3#
- 2.Be3#
- 2.Bb4#
- 2.Bd4#
- 2.Bb6#
- 2.Ba7#
- 2.Rd4#
- 1...Rxc5
- 2.Qxc5#
- 2.Qf7#
- 1...Rh4
- 2.Sb2#
- 2.Sxe5#
- 1...Re3
- 2.Sb2#
- 2.Se5#
- 2.Ba3#
- 2.Bxe3#
- 2.Bb4#
- 2.Bd4#
- 2.Bb6#
- 2.Ba7#
- 2.Rd4#
- 1...Re4
- 2.Sb2#
- 2.Se5#
- 2.Bg1#
- 2.Bf2#
- 2.Ba3#
- 2.Be3#
- 2.Bb4#
- 2.Bd4#
- 2.Bb6#
- 2.Ba7#
- 1...Rd5
- 2.Sb2#
- 2.Se5#
- 1...Rf5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Se5#
- 2.Rd4#
- 1...Re6
- 2.Sb2#
- 2.Se5#
- 2.Bg1#
- 2.Bf2#
- 2.Ba3#
- 2.Be3#
- 2.Bb4#
- 2.Bd4#
- 2.Bb6#
- 2.Ba7#
- 2.Rd4#
- 1...Re7
- 2.Sb2#
- 2.Se5#
- 2.Rd4#
- 1...Re8
- 2.Sb2#
- 2.Se5#
- 2.Bg1#
- 2.Bf2#
- 2.Ba3#
- 2.Be3#
- 2.Bb4#
- 2.Bd4#
- 2.Bb6#
- 2.Ba7#
- 2.Rd4#
- 1...Bf2
- 2.Sb2#
- 2.Sxe5#
- 1...Bxc2!
- threat
- 1.Rd8?
- threat
- 2.Sb2#
- 2.Sxe5#
- 2.Rd4#
- 1...Rxe2
- 2.Rd4#
- 1...Rxc5
- 2.Re4#
- 1...Rxe6
- 2.Sb2#
- 2.Se5#
- 2.Rd4#
- 1...Rh4
- 2.Sb2#
- 2.Sxe5#
- 1...Re3
- 2.Sb2#
- 2.Se5#
- 2.Rd4#
- 1...Re4
- 2.Sb2#
- 2.Se5#
- 2.Rxe4#
- 1...Rd5
- 2.Sb2#
- 2.Se5#
- 1...Rf5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Se5#
- 2.Re4#
- 2.Rd4#
- 1...Bf2
- 2.Sb2#
- 2.Sxe5#
- 1...Bxc2!
- threat
- 1.Qd6?
- threat
- 2.Sb2#
- 2.Sxe5#
- 2.Qd4#
- 1...Rxe2
- 2.Bg1#
- 2.Bf2#
- 2.Ba3#
- 2.Be3#
- 2.Bb4#
- 2.Bd4#
- 2.Bb6#
- 2.Ba7#
- 1...Rxc5
- 2.Re4#
- 2.Rxc5#
- 1...Rxe6
- 2.Sb2#
- 2.Se5#
- 2.Bg1#
- 2.Bf2#
- 2.Ba3#
- 2.Be3#
- 2.Bb4#
- 2.Bd4#
- 2.Bb6#
- 2.Ba7#
- 1...Rh4
- 2.Sb2#
- 2.Sxe5#
- 1...Re3
- 2.Sb2#
- 2.Se5#
- 2.Ba3#
- 2.Bxe3#
- 2.Bb4#
- 2.Bd4#
- 2.Bb6#
- 2.Ba7#
- 1...Re4
- 2.Sb2#
- 2.Se5#
- 2.Bg1#
- 2.Bf2#
- 2.Ba3#
- 2.Be3#
- 2.Bb4#
- 2.Bd4#
- 2.Bb6#
- 2.Ba7#
- 2.Rxe4#
- 1...Rd5
- 2.Sb2#
- 2.Se5#
- 1...Rf5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Se5#
- 2.Re4#
- 1...Bf2
- 2.Sb2#
- 2.Sxe5#
- 1...Bxc2!
- threat
- 1.Sf2+?
- Keys
- 1.Qf7!
- threat
- 2.Rxe5#
- 1...Rxe2+
- 2.Re5#
- 1...Re3+
- 2.Re5#
- 1...Re4+
- 2.Re5#
- 1...Rxc5+
- 2.Rd6#
- 1...Rd5+
- 2.Se5#
- 1...Rf5+
- 2.Sf4#
- 1...Rxe6+
- 2.Sf4#
- 1...Kd5
- 2.Rxe5#
- threat
- 1.Qf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);CHECK
- Refutation
- R(f);P_PINQ(G),XB(B)
- Try
- B(E);CHECK
- Vars
- K(e);S_FLIGHT::QAB1(G)
- Refutation
- R(f);P_PINQ(G),P_SPINR(f)
- Try
- B(E);CHECK
- Vars
- K(e);S_FLIGHT::QAB1(G)
- Refutation
- R(f);P_PINQ(G),P_SPINR(f)
- Try
- B(E);CHECK
- Vars
- K(e);S_FLIGHT::QAB1(G)
- Refutation
- R(f);P_PINQ(G),P_SPINR(f)
- Try
- B(E);CHECK
- Vars
- K(e);S_FLIGHT::QAB1(G)
- Refutation
- R(f);P_PINQ(G),P_SPINR(f)
- Try
- B(E);CHECK
- Vars
- K(e);S_FLIGHT::QAB1(G)
- R(f);N_GUARD,P_SPINR(f)::QAR1(G),XR(f)
- Refutation
- K(e);P-FLIGHT
- Try
- B(E);CHECK
- Vars
- K(e);S_FLIGHT::QAB1(G)
- Refutation
- R(f);P_PINQ(G),P_SPINR(f)
- Try
- R(F);XR(f)
- Threat
- DUALS(12)
- Vars
- B(a);XP(A)::QAB(G)
- Refutation
- B(c);P_PINQ(G),XR(F)
- Try
- R(F);
- Threat
- DUALS(3)
- Refutation
- B(a);XP(A)
- Try
- R(I);
- Threat
- DUALS(3)
- Vars
- R(f);P_PINQ(G),XB(B)::R1(I)
- R(f);OGATE,P_PINQ(G),P_SPINR(f),XB(E)::R(F)
- Refutation
- B(a);XP(A)
- Try
- Q(G);
- Threat
- DUALS(3)
- Refutation
- B(a);XP(A)
- Try
- Actual
- Q(G);
- Threat
- QAB(G)+R(F),XR(f)
- Vars
- R(f);CHECK,XB(B)::QAB(G)+R(F)
- R(f);CHECK::QAB(G)+R(F)
- R(f);CHECK,N_GUARD,P_SPINR(f),XB(E)::QAB(G)+R(F)
- R(f);CHECK,SBLOCK::B(B)+S(C),DCHECK
- R(f);CHECK,N_GUARD::B(B)+S(C)
- R(f);CHECK,N_GUARD,P_SPINR(f),XR(F)::B(B)+S(C)
- K(e);S_FLIGHT::QAB(G)+R(F),DCHECK,XR(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).