MESON Chess Problem Database
Problem Display
PID: 10354 (k2K2n1/2P5/1Q6/3RP3/brrb4/qnp2R2/6B1/8 w - - 0 1)
Mansfield, Comins
1st Comm., The Problemist, 1963
#2
7 + 9
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Qa6#
- 1...Bb5
- 2.Qb8#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Bc5
- 2.c8Q#
- 2.c8R#
- 1...Bxe5
- 2.Qa6#
- 1...Sa1
- 2.Ra5#
- 1...Sc1
- 2.Ra5#
- 1...Sd2
- 2.Ra5#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.c8Q#
- 2.c8R#
- 1...Rc5
- Tries
- 1.Rf1?
- threat
- 2.Ra5#
- 1...Rb5
- 2.Rc5#
- 1...Rc5
- 2.Qa6#
- 1...Bb5
- 2.Qb8#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Bc5
- 2.c8Q#
- 2.c8R#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.c8Q#
- 2.c8R#
- 1...Rc6!
- threat
- 1.Rf2?
- threat
- 2.Ra5#
- 1...Rb5
- 2.Rc5#
- 1...Rc5
- 2.Qa6#
- 1...Bb5
- 2.Qb8#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Bc5
- 2.c8Q#
- 2.c8R#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.c8Q#
- 2.c8R#
- 1...Rc6!
- threat
- 1.Rxc3?
- threat
- 2.Ra5#
- 1...Rb5
- 2.Rc5#
- 1...Rc5
- 2.Qa6#
- 1...Bb5
- 2.Qb8#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Bc5
- 2.c8Q#
- 2.c8R#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.c8Q#
- 2.c8R#
- 1...Rc6!
- threat
- 1.Rd3?
- threat
- 2.Ra5#
- 1...Rb5
- 2.Rc5#
- 1...Rc5
- 2.Qa6#
- 1...Bb5
- 2.Qb8#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Bc5
- 2.c8Q#
- 2.c8R#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.c8Q#
- 2.c8R#
- 1...Rc6!
- threat
- 1.Re3?
- threat
- 2.Ra5#
- 1...Rb5
- 2.Rc5#
- 1...Rc5
- 2.Qa6#
- 1...Bb5
- 2.Qb8#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Bc5
- 2.c8Q#
- 2.c8R#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.c8Q#
- 2.c8R#
- 1...Rc6!
- threat
- 1.Rg3?
- threat
- 2.Ra5#
- 1...Rb5
- 2.Rc5#
- 1...Rc5
- 2.Qa6#
- 1...Bb5
- 2.Qb8#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Bc5
- 2.c8Q#
- 2.c8R#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.c8Q#
- 2.c8R#
- 1...Rc6!
- threat
- 1.Rh3?
- threat
- 2.Ra5#
- 1...Rb5
- 2.Rc5#
- 1...Rc5
- 2.Qa6#
- 1...Bb5
- 2.Qb8#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Bc5
- 2.c8Q#
- 2.c8R#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.c8Q#
- 2.c8R#
- 1...Rc6!
- threat
- 1.Rf4?
- threat
- 2.Ra5#
- 1...Rb5
- 2.Rc5#
- 1...Rc5
- 2.Qa6#
- 1...Bb5
- 2.Qb8#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Bc5
- 2.c8Q#
- 2.c8R#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.c8Q#
- 2.c8R#
- 1...Rc6!
- threat
- 1.Rf5?
- threat
- 2.Ra5#
- 1...Rb5
- 2.Rc5#
- 1...Rc5
- 2.Qa6#
- 1...Bb5
- 2.Qb8#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Bc5
- 2.c8Q#
- 2.c8R#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.c8Q#
- 2.c8R#
- 1...Rc6!
- threat
- 1.Rf6?
- threat
- 2.Ra5#
- 1...Rb5
- 2.Rc5#
- 1...Rc5
- 2.Qa6#
- 1...Bb5
- 2.Qb8#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Bc5
- 2.c8Q#
- 2.c8R#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.c8Q#
- 2.c8R#
- 1...Rc6!
- threat
- 1.Rf7?
- threat
- 2.Ra5#
- 1...Rb5
- 2.Rc5#
- 1...Rc5
- 2.Qa6#
- 1...Bb5
- 2.Qb8#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Bc5
- 2.c8Q#
- 2.c8R#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.c8Q#
- 2.c8R#
- 1...Rc6!
- threat
- 1.Rf1?
- Keys
- 1.Rf8!
- threat
- 2.Ra5#
- 1...Rc6
- 2.Kd7#
- 1...Rb5
- 2.Rc5#
- 1...Rc5
- 2.Qa6#
- 1...Bb5
- 2.Qb8#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Bc5
- 2.c8Q#
- 2.c8R#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.c8Q#
- 2.c8R#
- threat
- 1.Rf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(f);S_CUTB(g)::QAR2(E)
- B(d);S_CUTR(e)::QAR1(E)
- B(d);S_CUTR(f)::P=Q
- B(g);S_CUTR(f)::P=Q
- B(g);N_GUARD,XP(D)::QAR2(E)
- S(b);N_GUARD::R(C)
- S(b);N_GUARD::R(C),XS(b)
- S(b);S_CUTR(f)::P=Q
- Tries
- Try
- R(B);
- Threat
- B(A)+R(C),DCHECK
- Vars
- R(e);S_CUTB(d)::B(A)+R(C)
- R(f);S_CUTB(g)::QAR2(E)
- B(d);S_CUTR(e)::QAR1(E)
- B(d);S_CUTR(f)::P=Q
- B(g);S_CUTR(f)::P=Q
- S(b);::B(A)+R(C),DCHECK,XS(b)
- S(b);S_CUTR(f)::P=Q
- Refutation
- R(f);
- Try
- R(B);
- Threat
- B(A)+R(C),DCHECK
- Vars
- R(e);S_CUTB(d)::B(A)+R(C)
- R(f);S_CUTB(g)::QAR2(E)
- B(d);S_CUTR(e)::QAR1(E)
- B(d);S_CUTR(f)::P=Q
- B(g);S_CUTR(f)::P=Q
- S(b);::B(A)+R(C),DCHECK,XS(b)
- S(b);S_CUTR(f)::P=Q
- Refutation
- R(f);
- Try
- R(B);XP(c)
- Threat
- B(A)+R(C),DCHECK
- Vars
- R(e);S_CUTB(d)::B(A)+R(C)
- R(f);S_CUTB(g)::QAR2(E)
- B(d);S_CUTR(e)::QAR1(E)
- B(d);S_CUTR(f)::P=Q
- B(g);S_CUTR(f)::P=Q
- S(b);::B(A)+R(C),DCHECK,XS(b)
- S(b);S_CUTR(f)::P=Q
- Refutation
- R(f);
- Try
- R(B);
- Threat
- B(A)+R(C),DCHECK
- Vars
- R(e);S_CUTB(d)::B(A)+R(C)
- R(f);S_CUTB(g)::QAR2(E)
- B(d);S_CUTR(e)::QAR1(E)
- B(d);S_CUTR(f)::P=Q
- B(g);S_CUTR(f)::P=Q
- S(b);::B(A)+R(C),DCHECK,XS(b)
- S(b);S_CUTR(f)::P=Q
- Refutation
- R(f);
- Try
- R(B);
- Threat
- B(A)+R(C),DCHECK
- Vars
- R(e);S_CUTB(d)::B(A)+R(C)
- R(f);S_CUTB(g)::QAR2(E)
- B(d);S_CUTR(e)::QAR1(E)
- B(d);S_CUTR(f)::P=Q
- B(g);S_CUTR(f)::P=Q
- S(b);::B(A)+R(C),DCHECK,XS(b)
- S(b);S_CUTR(f)::P=Q
- Refutation
- R(f);
- Try
- R(B);
- Threat
- B(A)+R(C),DCHECK
- Vars
- R(e);S_CUTB(d)::B(A)+R(C)
- R(f);S_CUTB(g)::QAR2(E)
- B(d);S_CUTR(e)::QAR1(E)
- B(d);S_CUTR(f)::P=Q
- B(g);S_CUTR(f)::P=Q
- S(b);::B(A)+R(C),DCHECK,XS(b)
- S(b);S_CUTR(f)::P=Q
- Refutation
- R(f);
- Try
- R(B);
- Threat
- B(A)+R(C),DCHECK
- Vars
- R(e);S_CUTB(d)::B(A)+R(C)
- R(f);S_CUTB(g)::QAR2(E)
- B(d);S_CUTR(e)::QAR1(E)
- B(d);S_CUTR(f)::P=Q
- B(g);S_CUTR(f)::P=Q
- S(b);::B(A)+R(C),DCHECK,XS(b)
- S(b);S_CUTR(f)::P=Q
- Refutation
- R(f);
- Try
- R(B);
- Threat
- B(A)+R(C),DCHECK
- Vars
- R(e);S_CUTB(d)::B(A)+R(C)
- R(f);S_CUTB(g)::QAR2(E)
- B(d);S_CUTR(e)::QAR1(E)
- B(d);S_CUTR(f)::P=Q
- B(g);S_CUTR(f)::P=Q
- S(b);::B(A)+R(C),DCHECK,XS(b)
- S(b);S_CUTR(f)::P=Q
- Refutation
- R(f);
- Try
- R(B);
- Threat
- B(A)+R(C),DCHECK
- Vars
- R(e);S_CUTB(d)::B(A)+R(C)
- R(f);S_CUTB(g)::QAR2(E)
- B(d);S_CUTR(e)::QAR1(E)
- B(d);S_CUTR(f)::P=Q
- B(g);S_CUTR(f)::P=Q
- S(b);::B(A)+R(C),DCHECK,XS(b)
- S(b);S_CUTR(f)::P=Q
- Refutation
- R(f);
- Try
- R(B);
- Threat
- B(A)+R(C),DCHECK
- Vars
- R(e);S_CUTB(d)::B(A)+R(C)
- R(f);S_CUTB(g)::QAR2(E)
- B(d);S_CUTR(e)::QAR1(E)
- B(d);S_CUTR(f)::P=Q
- B(g);S_CUTR(f)::P=Q
- S(b);::B(A)+R(C),DCHECK,XS(b)
- S(b);S_CUTR(f)::P=Q
- Refutation
- R(f);
- Try
- R(B);
- Threat
- B(A)+R(C),DCHECK
- Vars
- R(e);S_CUTB(d)::B(A)+R(C)
- R(f);S_CUTB(g)::QAR2(E)
- B(d);S_CUTR(e)::QAR1(E)
- B(d);S_CUTR(f)::P=Q
- B(g);S_CUTR(f)::P=Q
- S(b);::B(A)+R(C),DCHECK,XS(b)
- S(b);S_CUTR(f)::P=Q
- Refutation
- R(f);
- Try
- Actual
- R(B);
- Threat
- B(A)+R(C),DCHECK
- Vars
- R(f);::R(B)+K(G)
- R(e);S_CUTB(d)::B(A)+R(C)
- R(f);S_CUTB(g)::QAR2(E)
- B(d);S_CUTR(e)::QAR1(E)
- B(d);S_CUTR(f)::P=Q
- B(g);S_CUTR(f)::P=Q
- S(b);::B(A)+R(C),DCHECK,XS(b)
- S(b);S_CUTR(f)::P=Q
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).