MESON Chess Problem Database
Problem Display
PID: 142436 (3n3q/1p2pb2/1PNkPp2/1P5p/3N4/bpQ4K/4p3/3R3B w - - 0 1)
Dobbs, Gilbert S
Good Companions (May), 1914
#2
9 + 11
| 14868 | Pirnie Collection | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Qb4#
- 1...Bb2
- 2.Qb4#
- 1...Bb4
- 2.Qxb4#
- 1...Bc5
- 2.Qg3#
- 1...Bxe6+
- 2.Sf5#
- 1...Sxe6
- 2.Sf5#
- 1...b2
- 2.Qxa3#
- 1...Bc1
- Tries
- 1.Sb4?
- threat
- 2.Qc7#
- 1...Bxe6+
- 2.Sf5#
- 1...Ke5
- 2.Qg3#
- 2.Qc7#
- 1...Sxe6
- 2.Sf5#
- 1...Sc6!
- threat
- 1.Sa5?
- threat
- 2.Qc7#
- 1...Bxe6+
- 2.Sf5#
- 1...Ke5
- 2.Qg3#
- 1...Sxe6
- 2.Sf5#
- 1...Bc5
- 2.Sc4#
- 2.Qg3#
- 1...Sc6!
- threat
- 1.Sa7?
- threat
- 2.Qc7#
- 1...Bxe6+
- 2.Sf5#
- 1...Ke5
- 2.Qg3#
- 1...Sxe6
- 2.Sf5#
- 1...Bc5
- 2.Qg3#
- 1...Sc6!
- threat
- 1.Sb8?
- threat
- 2.Qc7#
- 1...Bxe6+
- 2.Sf5#
- 1...Ke5
- 2.Qg3#
- 1...Sxe6
- 2.Sf5#
- 1...Bc5
- 2.Qg3#
- 1...Sc6!
- threat
- 1.Sxd8?
- threat
- 2.Sxe2#
- 2.Sf5#
- 2.Sxf7#
- 2.Qc7#
- 1...Bxe6+
- 2.Sf5#
- 1...Ke5
- 2.Qg3#
- 1...exd1Q
- 2.Sf5#
- 2.Sxf7#
- 2.Qc7#
- 1...exd1S
- 2.Sf5#
- 2.Sxf7#
- 2.Qc7#
- 1...exd1B
- 2.Sf5#
- 2.Sxf7#
- 2.Qc7#
- 1...exd1R
- 2.Sf5#
- 2.Sxf7#
- 2.Qc7#
- 1...e1Q
- 2.Sf5#
- 2.Sxf7#
- 2.Qc7#
- 1...e1S
- 2.Sf5#
- 2.Sxf7#
- 2.Qc7#
- 1...e1B
- 2.Sf5#
- 2.Sxf7#
- 2.Qc7#
- 1...e1R
- 2.Sf5#
- 2.Sxf7#
- 2.Qc7#
- 1...Qg7
- 2.Sxe2#
- 2.Sf5#
- 2.Qc7#
- 1...Qh6
- 2.Sf5#
- 2.Sxf7#
- 2.Qc7#
- 1...Qh7
- 2.Sf5#
- 2.Qc7#
- 1...Qe8
- 2.Sxe2#
- 2.Sf5#
- 2.Qc7#
- 1...Qf8
- 2.Sxe2#
- 2.Sf5#
- 2.Qc7#
- 1...Qg8
- 2.Sxe2#
- 2.Sf5#
- 2.Qc7#
- 1...Bc1
- 2.Sf5#
- 2.Sxf7#
- 2.Qc7#
- 1...Bc5
- 2.Sf5#
- 2.Sxf7#
- 2.Qg3#
- 1...Bg6
- 2.Sf5#
- 2.Qc7#
- 1...Be8
- 2.Sxe2#
- 2.Sf5#
- 2.Qc7#
- 1...Bg8
- 2.Sxe2#
- 2.Sf5#
- 2.Qc7#
- 1...f5
- 2.Sxf5#
- 2.Sxf7#
- 2.Qc7#
- 1...Qxd8!
- threat
- 1.Qe3?
- threat
- 2.Sxe2#
- 2.Sf5#
- 1...Bxe6+
- 2.Sf5#
- 1...Sxc6
- 2.Sf5#
- 1...Sxe6
- 2.Sf5#
- 1...exd1Q
- 2.Sf5#
- 1...exd1S
- 2.Sf5#
- 1...exd1B
- 2.Sf5#
- 1...exd1R
- 2.Sf5#
- 1...e1Q
- 2.Sf5#
- 1...e1S
- 2.Sf5#
- 1...e1B
- 2.Sf5#
- 1...e1R
- 2.Sf5#
- 1...Qh7
- 2.Sf5#
- 1...Bc1
- 2.Sf5#
- 1...Bb2
- 2.Sf5#
- 1...Bb4
- 2.Sf5#
- 1...Bc5
- 2.Sf5#
- 2.Qf4#
- 2.Qg3#
- 1...Bg6
- 2.Sf5#
- 1...f5
- 2.Sxf5#
- 1...Kc5!
- threat
- 1.Qc4?
- threat
- 2.Sxe2#
- 2.Sf5#
- 2.Qd5#
- 1...Bxe6+
- 2.Sf5#
- 1...Sxc6
- 2.Qd5#
- 1...Sxe6
- 2.Sf5#
- 2.Qd5#
- 1...exd1Q
- 2.Sf5#
- 2.Qd5#
- 1...exd1S
- 2.Sf5#
- 2.Qd5#
- 1...exd1B
- 2.Sf5#
- 2.Qd5#
- 1...exd1R
- 2.Sf5#
- 2.Qd5#
- 1...e1Q
- 2.Sf5#
- 2.Qd5#
- 1...e1S
- 2.Sf5#
- 2.Qd5#
- 1...e1B
- 2.Sf5#
- 2.Qd5#
- 1...e1R
- 2.Sf5#
- 2.Qd5#
- 1...Qh6
- 2.Sf5#
- 2.Qd5#
- 1...Qh7
- 2.Sf5#
- 2.Qd5#
- 1...Bc1
- 2.Sf5#
- 2.Qd5#
- 2.Qb4#
- 1...Bb2
- 2.Sf5#
- 2.Qd5#
- 2.Qb4#
- 1...Bb4
- 2.Sf5#
- 2.Qd5#
- 2.Qxb4#
- 1...Bc5
- 2.Sf5#
- 2.Qd5#
- 1...Bg6
- 2.Sf5#
- 2.Qd5#
- 1...f5
- 2.Sxf5#
- 2.Qd5#
- 1...bxc6!
- threat
- 1.Sb4?
- Keys
- 1.Se5!
- threat
- 2.Qc7#
- 1...Bxe6+
- 2.Sf5#
- 1...Kxe5
- 2.Qg3#
- 1...Sxe6
- 2.Sf5#
- 1...Sc6
- 2.Sxf7#
- 1...Bc5
- 2.Sc4#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- B(b);N_GUARD::QAB(C)
- B(b);N_GUARD::QAB(C),XB(b)
- B(b);SBLOCK::QAB(C)
- B(i);CHECK,SBLOCK,XP(I)::R(A)+S(E),DCHECK
- S(j);SBLOCK,XP(I)::R(A)+S(E),DCHECK
- P(c);OGATE::QAB(C),XB(b)
- Tries
- Try
- S(H);
- Threat
- QAB1(C)
- Vars
- B(i);CHECK,SBLOCK,XP(I)::R(A)+S(E),DCHECK
- S(j);SBLOCK,XP(I)::R(A)+S(E),DCHECK
- Refutation
- S(j);
- Try
- S(H);
- Threat
- QAB1(C)
- Vars
- B(i);CHECK,SBLOCK,XP(I)::R(A)+S(E),DCHECK
- K(e);S_FLIGHT::QAB(C)
- S(j);SBLOCK,XP(I)::R(A)+S(E),DCHECK
- Refutation
- S(j);
- Try
- S(H);
- Threat
- QAB1(C)
- Vars
- B(i);CHECK,SBLOCK,XP(I)::R(A)+S(E),DCHECK
- K(e);S_FLIGHT::QAB(C)
- S(j);SBLOCK,XP(I)::R(A)+S(E),DCHECK
- B(b);SBLOCK::QAB(C)
- Refutation
- S(j);
- Try
- S(H);
- Threat
- QAB1(C)
- Vars
- B(i);CHECK,SBLOCK,XP(I)::R(A)+S(E),DCHECK
- K(e);S_FLIGHT::QAB(C)
- S(j);SBLOCK,XP(I)::R(A)+S(E),DCHECK
- B(b);SBLOCK::QAB(C)
- Refutation
- S(j);
- Try
- S(H);XS(j)
- Threat
- DUALS(4)
- Vars
- B(i);CHECK,XP(I)::R(A)+S(E),DCHECK
- K(e);S_FLIGHT::QAB(C)
- Refutation
- Q(k);XS(H)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(i);CHECK,XP(I)::R(A)+S(E),DCHECK
- S(j);XS(H)::R(A)+S(E),DCHECK
- S(j);XP(I)::R(A)+S(E),DCHECK
- P(a);XR(A)::S(E)
- P(a);::R(A)+S(E),DCHECK
- Q(k);::R(A)+S(E),DCHECK
- B(b);::R(A)+S(E),DCHECK
- B(i);::R(A)+S(E),DCHECK
- P(f);::R(A)+S(E),DCHECK,XP(f)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- B(i);CHECK,XP(I)::R(A)+S(E),DCHECK
- S(j);XS(H)::QAR1(C)
- Refutation
- P(g);XS(H)
- Try
- Actual
- S(H);
- Threat
- QAB1(C)
- Vars
- B(i);CHECK,SBLOCK,XP(I)::R(A)+S(E),DCHECK
- K(e);OGATEB,S_FLIGHT,XS(H)::QAB(C)
- S(j);SBLOCK,XP(I)::R(A)+S(E),DCHECK
- S(j);N_GUARD::S(H),XB(i)
- B(b);SBLOCK::S(H)
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).