MESON Chess Problem Database
Problem Display
PID: 260700 (8/p7/b1r2P2/p4Q2/2kp4/r1pN2K1/2B5/1R6 w - - 0 1)
Barbieri, L
L'Italia Scacchistica, 1980
#2
6 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
| 3713 | Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bb3#
- 1...Ra2
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.Qc5#
- 1...Rd6
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 2.Qc5#
- 1...Rxf6
- 2.Qc5#
- 1...Rc7
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bb5
- 2.Qxb5#
- 1...Bb7
- 2.Qb5#
- 1...Bc8
- 2.Qb5#
- 1...a4
- 2.Rb4#
- 1...Ra1
- Tries
- 1.Kg2?
- 1...Rxf6
- 2.Qc5#
- 1...Ra1
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.Qc5#
- 1...Rd6
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 2.Qc5#
- 1...Rc7
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bb5
- 2.Qxb5#
- 1...Bb7
- 2.Qb5#
- 1...Bc8
- 2.Qb5#
- 1...a4
- 2.Rb4#
- 1...Ra2!
- 1...Rxf6
- 1.Kh2?
- 1...Rxf6
- 2.Qc5#
- 1...Ra1
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.Qc5#
- 1...Rd6
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 2.Qc5#
- 1...Rc7
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bb5
- 2.Qxb5#
- 1...Bb7
- 2.Qb5#
- 1...Bc8
- 2.Qb5#
- 1...a4
- 2.Rb4#
- 1...Ra2!
- 1...Rxf6
- 1.Kf3?
- 1...Ra2
- 2.Bb3#
- 1...Ra1
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.Qc5#
- 1...Rd6
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 2.Qc5#
- 1...Rc7
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bb5
- 2.Qxb5#
- 1...Bb7
- 2.Qb5#
- 1...Bc8
- 2.Qb5#
- 1...a4
- 2.Rb4#
- 1...Rxf6!
- 1...Ra2
- 1.Kh3?
- 1...Rxf6
- 2.Qc5#
- 1...Ra2
- 2.Bb3#
- 1...Ra1
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.Qc5#
- 1...Rd6
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 2.Qc5#
- 1...Rc7
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bb5
- 2.Qxb5#
- 1...Bb7
- 2.Qb5#
- 1...a4
- 2.Rb4#
- 1...Bc8!
- 1...Rxf6
- 1.Kf4?
- 1...Ra2
- 2.Bb3#
- 1...Ra1
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.Qc5#
- 1...Rd6
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 2.Qc5#
- 1...Rc7
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bb5
- 2.Qxb5#
- 1...Bb7
- 2.Qb5#
- 1...Bc8
- 2.Qb5#
- 1...a4
- 2.Rb4#
- 1...Rxf6!
- 1...Ra2
- 1.Kg4?
- 1...Rxf6
- 2.Qc5#
- 1...Ra2
- 2.Bb3#
- 1...Ra1
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.Qc5#
- 1...Rd6
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 2.Qc5#
- 1...Rc7
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bb5
- 2.Qxb5#
- 1...Bb7
- 2.Qb5#
- 1...a4
- 2.Rb4#
- 1...Bc8!
- 1...Rxf6
- 1.Sb4?
- threat
- 2.Bd3#
- 2.Qd5#
- 1...axb4
- 2.Bd3#
- 1...Rc5
- 2.Bd3#
- 2.Qd3#
- 1...d3
- 2.Qd5#
- 1...Rd6
- 2.Bd3#
- 1...Rb3!
- threat
- 1.Sf4?
- threat
- 2.Bd3#
- 2.Qd5#
- 1...d3
- 2.Qd5#
- 1...Rc5
- 2.Bd3#
- 2.Qd3#
- 1...Rd6
- 2.Bd3#
- 1...Rb3!
- threat
- 1.Rb2?
- 1...Rxf6
- 2.Qc5#
- 1...Ra2
- 2.Bb3#
- 1...Ra1
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.Qc5#
- 1...Rd6
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 2.Qc5#
- 1...Rc7
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bb5
- 2.Qxb5#
- 1...Bb7
- 2.Qb5#
- 1...Bc8
- 2.Qb5#
- 1...a4
- 2.Rb4#
- 1...cxb2!
- 1...Rxf6
- 1.Rb5?
- threat
- 2.Qd5#
- 1...Rc5
- 2.Rxc5#
- 2.Qxc5#
- 1...Rd6
- 2.Rc5#
- 2.Qc5#
- 1...Bxb5!
- threat
- 1.Rb6?
- threat
- 2.Rxc6#
- 1...Rxb6
- 2.Qc5#
- 1...Rxf6
- 2.Qc5#
- 1...Rc5
- 2.Qxc5#
- 1...Rd6
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 2.Qc5#
- 1...Rc7
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bb5
- 2.Qxb5#
- 1...Bb7
- 2.Qb5#
- 1...axb6!
- threat
- 1.Rb7?
- 1...Rxf6
- 2.Qc5#
- 1...Ra2
- 2.Bb3#
- 1...Ra1
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.Qc5#
- 1...Rd6
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 2.Qc5#
- 1...Rc7
- 2.Rxc7#
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bb5
- 2.Qxb5#
- 1...a4
- 2.Rb4#
- 1...Bxb7!
- 1...Rxf6
- 1.Rb8?
- 1...Rxf6
- 2.Qc5#
- 1...Ra2
- 2.Bb3#
- 1...Ra1
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.Qc5#
- 1...Rd6
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 2.Qc5#
- 1...Rc7
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bb5
- 2.Qxb5#
- 1...Bc8
- 2.Qb5#
- 1...a4
- 2.Rb4#
- 1...Bb7!
- 1...Rxf6
- 1.Qxa5?
- threat
- 2.Se5#
- 2.Rb4#
- 1...Rc5
- 2.Qxc5#
- 1...Bb5
- 2.Qxb5#
- 1...Rb3
- 2.Se5#
- 1...Ra4
- 2.Se5#
- 1...Rb6
- 2.Se5#
- 2.Qc5#
- 1...Re6
- 2.Rb4#
- 2.Qc5#
- 1...Rxa5!
- threat
- 1.f7?
- 1...Ra2
- 2.Bb3#
- 1...Ra1
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.Qc5#
- 1...Rd6
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 2.Qc5#
- 1...Rf6
- 2.Qc5#
- 1...Rh6
- 2.Qc5#
- 1...Rc7
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bb5
- 2.Qxb5#
- 1...Bb7
- 2.Qb5#
- 1...Bc8
- 2.Qb5#
- 1...a4
- 2.Rb4#
- 1...Rg6+!
- 1...Ra2
- 1.Kg2?
- Keys
- 1.Kh4!
- 1...Rxf6
- 2.Qc5#
- 1...Ra2
- 2.Bb3#
- 1...Ra1
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.Qc5#
- 1...Rd6
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 2.Qc5#
- 1...Rc7
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bb5
- 2.Qxb5#
- 1...Bb7
- 2.Qb5#
- 1...Bc8
- 2.Qb5#
- 1...a4
- 2.Rb4#
- 1...Rxf6
- 1.Kh4!
Anticipated by 21581(1919)
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::B(B)
- R(a);N_GUARD::B(B),XR(a)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD,XP(F)::QAR1(E)
- R(g);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- R(g);N_GUARD,XP(F)::QAR1(E)
- R(a);N_GUARD::B(B)
- R(a);N_GUARD::B(B),XR(a)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- R(a);P_PINB(B)
- Try
- K(D);S_FLIGHT
- Vars
- R(g);N_GUARD,XP(F)::QAR1(E)
- R(a);N_GUARD::B(B)
- R(a);N_GUARD::B(B),XR(a)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- R(a);P_PINB(B)
- Try
- K(D);P-FLIGHT
- Vars
- R(a);N_GUARD::B(B)
- R(a);N_GUARD::B(B),XR(a)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- R(g);P_PINQ(E),XP(F)
- Try
- K(D);P-FLIGHT
- Vars
- R(g);N_GUARD,XP(F)::QAR1(E)
- R(a);N_GUARD::B(B)
- R(a);N_GUARD::B(B),XR(a)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- B(f);P_PINQ(E)
- Try
- K(D);S_FLIGHT
- Vars
- R(a);N_GUARD::B(B)
- R(a);N_GUARD::B(B),XR(a)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- R(g);P_PINQ(E),XP(F)
- Try
- K(D);P-FLIGHT
- Vars
- R(g);N_GUARD,XP(F)::QAR1(E)
- R(a);N_GUARD::B(B)
- R(a);N_GUARD::B(B),XR(a)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- B(f);P_PINQ(E)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- P(e);XS(C)::B(B)
- P(d);::QAB1(E)
- R(g);::B(B)
- Refutation
- R(a);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- P(d);::QAB1(E)
- R(g);::B(B)
- Refutation
- R(a);
- Try
- R(A);
- Vars
- R(g);N_GUARD,XP(F)::QAR1(E)
- R(a);N_GUARD::B(B)
- R(a);N_GUARD::B(B),XR(a)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- P(b);P_PINS(C),XR(A)
- Try
- R(A);
- Threat
- QAB1(E)
- Refutation
- B(f);XR(A)
- Try
- R(A);
- Threat
- R(A),XR(g)
- Vars
- R(g);N_GUARD,XR(A)::QAR1(E)
- R(g);N_GUARD,XP(F)::QAR1(E)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- Refutation
- P(h);XR(A)
- Try
- R(A);
- Vars
- R(g);N_GUARD,XP(F)::QAR1(E)
- R(a);N_GUARD::B(B)
- R(a);N_GUARD::B(B),XR(a)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- P(e);N_GUARD::R1(A)
- Refutation
- B(f);XR(A)
- Try
- R(A);
- Vars
- R(g);N_GUARD,XP(F)::QAR1(E)
- R(a);N_GUARD::B(B)
- R(a);N_GUARD::B(B),XR(a)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- B(f);
- Try
- Q(E);XP(e)
- Threat
- DUALS(2)
- Vars
- R(g);N_GUARD::QAR1(E),XR(g)
- B(f);N_GUARD::QAB1(E),XB(f)
- R(a);::S(C)
- Refutation
- R(a);XQ(E)
- Try
- P(F);
- Vars
- R(a);N_GUARD::B(B)
- R(a);N_GUARD::B(B),XR(a)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- R(g);CHECK
- Try
- Actual
- K(D);S_FLIGHT
- Vars
- R(g);N_GUARD,XP(F)::QAR1(E)
- R(a);N_GUARD::B(B)
- R(a);N_GUARD::B(B),XR(a)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
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).