MESON Chess Problem Database
Problem Display
PID: 10121 (8/1bn5/1b4n1/2P2p1N/p7/P6R/Q1PP2k1/2KN3R w - - 0 1)
Mansfield, Comins
Die Schwalbe, 1962
#2
10 + 7
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Bf3
- 2.R3h2#
- 1...Sf4
- 2.Sxf4#
- 1...Sh4
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Se7
- 2.Sf4#
- 1...Sf8
- 2.Sf4#
- 1...Sh8
- 2.Sf4#
- 1...Bf3
- Tries
- 1.Qb3?
- threat
- 2.R3h2#
- 2.Qg3#
- 1...Bf3
- 2.R3h2#
- 2.Qxf3#
- 1...f4
- 2.R3h2#
- 1...axb3!
- threat
- 1.Qc4?
- threat
- 2.Qf1#
- 2.Qe2#
- 1...Bxc5
- 2.Qf1#
- 1...Bf3
- 2.R3h2#
- 2.Qf1#
- 1...Sf4
- 2.Sxf4#
- 2.Qf1#
- 1...Ba6!
- threat
- 1.Qe6?
- threat
- 2.Qe2#
- 2.Qxg6#
- 1...Bxc5
- 2.Qxg6#
- 1...Bf3
- 2.R3h2#
- 1...Be4
- 2.Qxg6#
- 1...Ba6
- 2.Qxg6#
- 1...Sf4
- 2.Sxf4#
- 1...Sh4
- 2.Sf4#
- 2.Qe2#
- 1...Se5
- 2.Sf4#
- 1...Se7
- 2.Sf4#
- 2.Qe2#
- 1...Sf8
- 2.Sf4#
- 2.Qe2#
- 1...Sh8
- 2.Sf4#
- 2.Qe2#
- 1...Sxe6!
- threat
- 1.Qg8?
- threat
- 2.Sf4#
- 2.Qxg6#
- 1...Bf3
- 2.Sf4#
- 2.R3h2#
- 1...Sd5
- 2.Qxg6#
- 1...f4
- 2.Sxf4#
- 2.Qxg6#
- 1...Se6!
- threat
- 1.c3?
- threat
- 2.d3#
- 2.d4#
- 1...Bxc5
- 2.d4#
- 1...Bf3
- 2.R3h2#
- 1...Be4
- 2.d3#
- 1...Ba6
- 2.d3#
- 1...Sf4
- 2.Sxf4#
- 1...Bd5!
- threat
- 1.c4?
- threat
- 2.d3#
- 2.d4#
- 1...Bxc5
- 2.d4#
- 1...Bf3
- 2.R3h2#
- 1...Be4
- 2.d3#
- 1...Sf4
- 2.Sxf4#
- 1...Ba5!
- threat
- 1.d3?
- threat
- 2.c3#
- 2.c4#
- 1...Ba5
- 2.c3#
- 1...Bf3
- 2.R3h2#
- 1...Bd5
- 2.c4#
- 1...Sf4
- 2.Sxf4#
- 1...Bxc5!
- threat
- 1.d4?
- threat
- 2.c3#
- 2.c4#
- 1...Ba5
- 2.c3#
- 1...Bf3
- 2.R3h2#
- 1...Bd5
- 2.c4#
- 1...Ba6
- 2.c4#
- 1...Sf4
- 2.Sxf4#
- 1...Be4!
- threat
- 1.Qb3?
- Keys
- 1.Qf7!
- threat
- 2.Qxg6#
- 1...Bf3
- 2.R3h2#
- 1...Sf4
- 2.Sxf4#
- 1...Sh4
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Se7
- 2.Sf4#
- 1...Sf8
- 2.Sf4#
- 1...Sh8
- 2.Sf4#
- 1...Se6
- 2.Qxb7#
- threat
- 1.Qf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(f);SBLOCK::R1(H)
- S(e);N_GUARD::S(J),XS(e)
- S(e);N_GUARD::S(J)
- Tries
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- P(c);::R1(H)
- Refutation
- P(b);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- B(d);XP(I)::QAB1(D)
- Refutation
- B(f);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- B(d);XP(I)::QAR(D),XS(e)
- B(f);SBLOCK::R1(H)
- B(f);::QAR(D),XS(e)
- S(e);N_GUARD::S(J),XS(e)
- S(e);N_GUARD::S(J)
- Refutation
- S(g);XQ(D)
- Try
- Q(D);P_PINS(e)
- Threat
- DUALS(2)
- Vars
- S(g);::QAR(D),XS(e)
- Refutation
- S(g);
- Try
- P(E);
- Threat
- DUALS(2)
- Vars
- B(d);XP(I)::QAR(D)+P(F)
- B(f);SBLOCK::R1(H)
- B(f);::QAR(D)+P(F)
- S(e);N_GUARD::S(J),XS(e)
- Refutation
- B(f);
- Try
- P(E);
- Threat
- DUALS(2)
- Vars
- B(d);XP(I)::QAR(D)+P(F)
- B(f);SBLOCK::R1(H)
- B(f);::QAR(D)+P(F)
- S(e);N_GUARD::S(J),XS(e)
- Refutation
- B(d);
- Try
- P(F);
- Threat
- DUALS(2)
- Vars
- B(d);::QAR(D)+P(E)
- B(f);SBLOCK::R1(H)
- B(f);::QAR(D)+P(E)
- S(e);N_GUARD::S(J),XS(e)
- Refutation
- B(d);XP(I)
- Try
- P(F);
- Threat
- DUALS(2)
- Vars
- B(d);::QAR(D)+P(E)
- B(f);SBLOCK::R1(H)
- B(f);::QAR(D)+P(E)
- S(e);N_GUARD::S(J),XS(e)
- Refutation
- B(f);
- Try
- Actual
- Q(D);
- Threat
- QAR(D),XS(e)
- Vars
- B(f);SBLOCK::R1(H)
- S(e);N_GUARD::S(J),XS(e)
- S(e);N_GUARD::S(J)
- S(g);OGATE::QAB(D),XB(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).