MESON Chess Problem Database
Problem Display
PID: 17595 (2nQ2nK/1pB3R1/1pk4p/3r4/PP2N3/2b2B1b/5p2/2R2qr1 w - - 0 1)
Mansfield, Comins
1st Prize, El Ajedrez Espanol, 1948
#2
9 + 12
| 3105 | FIDE Album (1945-1955) | 1964 |
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Rd3
- 2.b5#
- 1...Ra5
- 2.Sc5#
- 1...Rb5
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Rf5
- 2.Qd7#
- 1...Rg5
- 2.Sxg5#
- 1...Rh5
- 2.Sg5#
- 1...Rd6
- 2.Sxd6#
- 1...Rd7
- 2.Sd6#
- 1...Rxd8
- 2.Sd6#
- 1...Rd1
- Tries
- 1.Bh2?
- threat
- 2.Qc7#
- 1...Rxd8
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Rd7
- 2.Sd6#
- 1...Rd1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Rd3
- 2.b5#
- 1...Rd4
- 2.Rc7#
- 1...Ra5
- 2.Sc5#
- 1...Rb5
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Re5
- 2.Rc7#
- 1...Rf5
- 2.Qd7#
- 1...Rdg5
- 2.Sxg5#
- 1...Rh5
- 2.Sg5#
- 1...Rxg7!
- threat
- 1.Bf4?
- threat
- 2.Qc7#
- 1...Rxd8
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Rd7
- 2.Sd6#
- 1...Rd1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Rd3
- 2.b5#
- 1...Rd4
- 2.Rc7#
- 1...Ra5
- 2.Sc5#
- 1...Rb5
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Re5
- 2.Rc7#
- 1...Rf5
- 2.Qd7#
- 1...Rdg5
- 2.Sxg5#
- 1...Rh5
- 2.Sg5#
- 1...Rxg7!
- threat
- 1.Be5?
- threat
- 2.Rc7#
- 2.Qc7#
- 1...Rxe5
- 2.Rc7#
- 1...Rxd8
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Rd7
- 2.Sd6#
- 1...Rd1
- 2.Sd2#
- 2.Rc7#
- 1...Rd2
- 2.Sxd2#
- 2.Rc7#
- 1...Rd3
- 2.Rc7#
- 2.b5#
- 1...Rd4
- 2.Rc7#
- 1...Ra5
- 2.Sc5#
- 2.Rc7#
- 1...Rb5
- 2.Sc5#
- 2.Rc7#
- 1...Rc5
- 2.Sxc5#
- 2.Rc7#
- 1...Bd7
- 2.Qc7#
- 1...Sce7
- 2.Qc7#
- 1...Sge7
- 2.Qc7#
- 1...b5
- 2.Qc7#
- 1...Rxg7!
- threat
- 1.Bb8?
- threat
- 2.Qc7#
- 1...Rxd8
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Rd7
- 2.Sd6#
- 1...Rd1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Rd3
- 2.b5#
- 1...Rd4
- 2.Rc7#
- 1...Ra5
- 2.Sc5#
- 1...Rb5
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Re5
- 2.Rc7#
- 1...Rf5
- 2.Qd7#
- 1...Rdg5
- 2.Sxg5#
- 1...Rh5
- 2.Sg5#
- 1...Rxg7!
- threat
- 1.Rxc3+?
- 1...Rc5
- 2.Sd2#
- 2.Sxf2#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 1...Qc4!
- 1...Rc5
- 1.Qd6+?
- 1...Rxd6
- 2.Sxd6#
- 1...Sxd6!
- 1...Rxd6
- 1.Bh2?
- Keys
- 1.Bg3!
- threat
- 2.Qc7#
- 1...Rxd8
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Rd7
- 2.Sd6#
- 1...Rd1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Rd3
- 2.b5#
- 1...Rd4
- 2.Rc7#
- 1...Ra5
- 2.Sc5#
- 1...Rb5
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Re5
- 2.Rc7#
- 1...Rf5
- 2.Qd7#
- 1...Rg5
- 2.Sxg5#
- 1...Rh5
- 2.Sg5#
- threat
- 1.Bg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(f);::B(B)+S(E)
- R(f);::B(B)+S(E),XR(f)
- R(f);N_GUARD,S_CUTQ(a)::P(D)
- R(f);N_SPINB(d)::B(B)+S(E),XR(f)
- R(f);N_GUARD,S_CUTB(e)::QAB1(H)
- R(f);XQ(H)::B(B)+S(E)
- Tries
- Try
- B(F);
- Threat
- QAR1(H)
- Vars
- R(f);XQ(H)::B(B)+S(E)
- R(f);::B(B)+S(E),XR(f)
- R(f);::B(B)+S(E)
- R(f);N_GUARD,S_CUTQ(a)::P(D)
- R(f);N_PINR(G)::R1(G)
- R(f);N_SPINB(d)::B(B)+S(E),XR(f)
- R(f);N_GUARD,S_CUTB(e)::QAB1(H)
- Refutation
- R(b);XR(G)
- Try
- B(F);
- Threat
- QAR1(H)
- Vars
- R(f);XQ(H)::B(B)+S(E)
- R(f);::B(B)+S(E),XR(f)
- R(f);::B(B)+S(E)
- R(f);N_GUARD,S_CUTQ(a)::P(D)
- R(f);N_PINR(G)::R1(G)
- R(f);N_SPINB(d)::B(B)+S(E),XR(f)
- R(f);N_GUARD,S_CUTB(e)::QAB1(H)
- Refutation
- R(b);XR(G)
- Try
- B(F);N_SPINR(G)
- Threat
- DUALS(2)
- Vars
- R(f);XB(F)::R1(G)
- R(f);XQ(H)::B(B)+S(E)
- R(f);::B(B)+S(E),XR(f)
- R(f);::B(B)+S(E)
- R(f);::R1(G)
- B(e);::QAR1(H)
- S(k);::QAR1(H)
- S(l);::QAR1(H)
- P(g);::QAR1(H)
- Refutation
- R(b);XR(G)
- Try
- B(F);
- Threat
- QAR1(H)
- Vars
- R(f);XQ(H)::B(B)+S(E)
- R(f);::B(B)+S(E),XR(f)
- R(f);::B(B)+S(E)
- R(f);N_GUARD,S_CUTQ(a)::P(D)
- R(f);N_PINR(G)::R1(G)
- R(f);N_SPINB(d)::B(B)+S(E),XR(f)
- R(f);N_GUARD,S_CUTB(e)::QAB1(H)
- Refutation
- R(b);XR(G)
- Try
- R(A);CHECK,N_SPINR(G),XB(d)
- Refutation
- Q(a);P_SPINQ(a)
- Try
- Q(H);CHECK
- Vars
- R(f);XQ(H)::B(B)+S(E),XR(f)
- Refutation
- S(k);XQ(H)
- Try
- Actual
- B(F);
- Threat
- QAR1(H)
- Vars
- R(f);XQ(H)::B(B)+S(E)
- R(f);::B(B)+S(E),XR(f)
- R(f);::B(B)+S(E)
- R(f);N_GUARD,S_CUTQ(a)::P(D)
- R(f);N_PINR(G)::R1(G)
- R(f);N_SPINB(d)::B(B)+S(E),XR(f)
- R(f);N_GUARD,S_CUTB(e)::QAB1(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).