MESON Chess Problem Database
Problem Display
PID: 32696 (4N3/ppKP1r2/4k3/1QB5/3P4/2N2p2/b3r3/1B6 w - - 0 1)
Albert, Bernard
2nd Prize, Good Companions (December), 1913
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Rf4
- 2.d8S#
- 1...Rf5
- 2.d8S#
- 1...Rf6
- 2.d8S#
- 1...Rxd7+
- 2.Qxd7#
- 1...Rf8
- 2.d8S#
- 1...Bb3
- 2.Qxb3#
- 1...Bc4
- 2.Qxc4#
- 1...f2
- 2.Qxe2#
- 1...a5
- 2.Qb6#
- 1...a6
- 2.Qb6#
- 1...b6
- 2.Qc6#
- 1...Rf4
- Tries
- 1.Bf5+?
- 1...Rxf5
- 2.d8S#
- 1...Kxf5!
- 1...Rxf5
- 1.Bb4?
- 1...Rxd7+
- 2.Qxd7#
- 1...Bxb1
- 2.Qd5#
- 1...Rf4
- 2.d8S#
- 1...Rf5
- 2.Qxf5#
- 2.d8S#
- 1...Rf6
- 2.d8S#
- 1...Re7
- 2.Qf5#
- 1...Rg7
- 2.Qf5#
- 1...Rh7
- 2.Qf5#
- 1...Rf8
- 2.d8S#
- 1...Re1
- 2.Bxa2#
- 1...Rb2
- 2.Qe5#
- 1...Rc2
- 2.Qe5#
- 1...Rd2
- 2.Qe5#
- 1...Rf2
- 2.Qe5#
- 1...Rg2
- 2.Qe5#
- 1...Rh2
- 2.Qe5#
- 1...Re3
- 2.Bxa2#
- 1...Re4
- 2.Bxa2#
- 1...Re5
- 2.Qxe5#
- 1...Bc4
- 2.Qxc4#
- 1...Bd5
- 2.Qxd5#
- 1...f2
- 2.Qxe2#
- 1...a5
- 2.Qb6#
- 1...a6
- 2.Qb6#
- 1...b6
- 2.Qc6#
- 1...Bb3!
- 1...Rxd7+
- 1.Bf8?
- 1...Rxd7+
- 2.Qxd7#
- 1...Bxb1
- 2.Qd5#
- 1...Rf4
- 2.d8S#
- 1...Rf5
- 2.Qxf5#
- 2.d8S#
- 1...Rf6
- 2.d8S#
- 1...Re7
- 2.Qf5#
- 1...Rg7
- 2.Qf5#
- 1...Rh7
- 2.Qf5#
- 1...Re1
- 2.Bxa2#
- 1...Rb2
- 2.Qe5#
- 1...Rc2
- 2.Qe5#
- 1...Rd2
- 2.Qe5#
- 1...Rf2
- 2.Qe5#
- 1...Rg2
- 2.Qe5#
- 1...Rh2
- 2.Qe5#
- 1...Re3
- 2.Bxa2#
- 1...Re4
- 2.Bxa2#
- 1...Re5
- 2.Qxe5#
- 1...Bb3
- 2.Qxb3#
- 1...Bc4
- 2.Qxc4#
- 1...Bd5
- 2.Qxd5#
- 1...f2
- 2.Qxe2#
- 1...a5
- 2.Qb6#
- 1...a6
- 2.Qb6#
- 1...b6
- 2.Qc6#
- 1...Rxf8!
- 1...Rxd7+
- 1.Bf5+?
- Keys
- 1.Ba3!
- 1...Rxd7+
- 2.Qxd7#
- 1...Bxb1
- 2.Qd5#
- 1...Rf4
- 2.d8S#
- 1...Rf5
- 2.Qxf5#
- 2.d8S#
- 1...Rf6
- 2.d8S#
- 1...Re7
- 2.Qf5#
- 1...Rg7
- 2.Qf5#
- 1...Rh7
- 2.Qf5#
- 1...Rf8
- 2.d8S#
- 1...Re1
- 2.Bxa2#
- 1...Rb2
- 2.Qe5#
- 1...Rc2
- 2.Qe5#
- 1...Rd2
- 2.Qe5#
- 1...Rf2
- 2.Qe5#
- 1...Rg2
- 2.Qe5#
- 1...Rh2
- 2.Qe5#
- 1...Re3
- 2.Bxa2#
- 1...Re4
- 2.Bxa2#
- 1...Re5
- 2.Qxe5#
- 1...Bb3
- 2.Qxb3#
- 1...Bc4
- 2.Qxc4#
- 1...Bd5
- 2.Qxd5#
- 1...f2
- 2.Qxe2#
- 1...a5
- 2.Qb6#
- 1...a6
- 2.Qb6#
- 1...b6
- 2.Qc6#
- 1...Rxd7+
- 1.Ba3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 1
- Sets
- R(g);N_PINP(G)::P=S
- R(g);CHECK,OGATE,XP(G)::QAB1(D),XR(g)
- B(a);N_GUARD::QAB(D),XB(a)
- P(c);N_GUARD::QAR(D),XR(b)
- P(e);N_GUARD::QAR(D)
- P(f);N_GUARD::QAR2(D)
- Tries
- Try
- B(A);CHECK
- Vars
- R(g);N_PINP(G),SBLOCK,XB(A)::P=S
- Refutation
- K(d);S_FLIGHT,XB(A)
- Try
- B(E);
- Vars
- R(g);CHECK,OGATE,XP(G)::QAB1(D),XR(g)
- B(a);N_GUARD,XB(A)::QAB1(D)
- R(g);N_PINP(G)::P=S
- R(g);N_GUARD::QAB1(D)
- R(b);N_GUARD::B(A),XB(a)
- R(b);N_GUARD::QAR1(D)
- R(b);N_GUARD,P_PINS(B)::QAR1(D)
- R(b);N_GUARD::QAR1(D),XR(b)
- B(a);N_GUARD::QAB(D),XB(a)
- B(a);N_GUARD::QAB1(D),XB(a)
- P(c);N_GUARD::QAR(D),XR(b)
- P(e);N_GUARD::QAR(D)
- P(f);N_GUARD::QAR2(D)
- Refutation
- B(a);
- Try
- B(E);
- Vars
- R(g);CHECK,OGATE,XP(G)::QAB1(D),XR(g)
- B(a);N_GUARD,XB(A)::QAB1(D)
- R(g);N_PINP(G)::P=S
- R(g);N_GUARD::QAB1(D)
- R(b);N_GUARD::B(A),XB(a)
- R(b);N_GUARD::QAR1(D)
- R(b);N_GUARD,P_PINS(B)::QAR1(D)
- R(b);N_GUARD::QAR1(D),XR(b)
- B(a);N_GUARD::QAB(D),XB(a)
- B(a);N_GUARD::QAB1(D),XB(a)
- P(c);N_GUARD::QAR(D),XR(b)
- P(e);N_GUARD::QAR(D)
- P(f);N_GUARD::QAR2(D)
- Refutation
- R(g);N_PINP(G),XB(E)
- Try
- Actual
- B(E);
- Vars
- R(g);CHECK,OGATE,XP(G)::QAB1(D),XR(g)
- B(a);N_GUARD,XB(A)::QAB1(D)
- R(g);N_PINP(G)::P=S
- R(g);N_GUARD::QAB1(D)
- R(b);N_GUARD::B(A),XB(a)
- R(b);N_GUARD::QAR1(D)
- R(b);N_GUARD,P_PINS(B)::QAR1(D)
- R(b);N_GUARD::QAR1(D),XR(b)
- B(a);N_GUARD::QAB(D),XB(a)
- B(a);N_GUARD::QAB1(D),XB(a)
- P(c);N_GUARD::QAR(D),XR(b)
- P(e);N_GUARD::QAR(D)
- P(f);N_GUARD::QAR2(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).