MESON Chess Problem Database
Problem Display
PID: 2532 (3B1r2/2p5/4N1bp/RB5k/6n1/p3N2P/K1P2Q1n/b2rq1R1 w - - 0 1)
Mansfield, Comins
2nd Prize, Chess Correspondent (3rd Degree TT), 1946
#2
10 + 11
| 56 | The Problemist | 1954 |
| 3105 | FIDE Album (1945-1955) | 1964 |
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qd2
- 2.Qh4#
- 1...Qc3
- 2.Qh4#
- 1...Qb4
- 2.Qh4#
- 1...Qxa5
- 2.Qh4#
- 1...Qf1
- 2.Qh4#
- 1...Qxg1
- 2.Qh4#
- 1...Qe2
- 2.Qh4#
- 1...Qxe3
- 2.Qh4#
- 1...Rd4
- 2.Sg7#
- 1...Rf4
- 2.Sxf4#
- 1...Re8
- 2.Sf4#
- 1...Rg8
- 2.Sf4#
- 1...Rh8
- 2.Sf4#
- 1...Bg7
- 2.Sxg7#
- 1...Bxc2
- 2.Be8#
- 1...Bd3
- 2.Be8#
- 1...Be4
- 2.Be8#
- 1...Bf5
- 2.Sf4#
- 1...Bf7
- 2.Qf5#
- 1...Bh7
- 2.Be8#
- 1...Be8
- 2.Bxe8#
- 1...Sf1
- 2.hxg4#
- 1...Sf3
- 2.hxg4#
- 1...Sxf2
- 2.Be2#
- 1...Sxe3
- 2.Be2#
- 1...Se5
- 2.Sg7#
- 1...Sf6
- 2.Sf4#
- 2.Sg7#
- 2.Be2#
- 1...Qd2
- Tries
- 1.Bd3+?
- 1...Qxa5
- 2.Qh4#
- 1...Rf5
- 2.Sf4#
- 1...Be5
- 2.Sg7#
- 1...Bf5
- 2.Sf4#
- 1...Se5
- 2.Sg7#
- 2.Bxg6#
- 1...c5!
- 1...Qxa5
- 1.Bc6+?
- 1...Qxa5
- 2.Qh4#
- 1...Rf5
- 2.Sf4#
- 1...Be5
- 2.Sg7#
- 1...Bf5
- 2.Sf4#
- 1...Se5
- 2.Sg7#
- 1...Rd5!
- 1...Qxa5
- 1.Qf5+?
- 1...Bxf5
- 2.Sf4#
- 1...Rxf5!
- 1...Bxf5
- 1.Bd3+?
- Keys
- 1.Rh1!
- threat
- 2.hxg4#
- 1...Qxh1
- 2.Qh4#
- 1...Qxe3
- 2.Qh4#
- 1...Bxc2
- 2.Be8#
- 1...Sxf2
- 2.Be2#
- 1...Sxe3
- 2.Be2#
- 1...Bd3
- 2.Be8#
- 1...Be4
- 2.Be8#
- 1...Bf5
- 2.Sf4#
- 1...Bf7
- 2.Qf5#
- 1...Bh7
- 2.Be8#
- 1...Be8
- 2.Bxe8#
- 1...Qb4
- 2.Qh4#
- 1...Qg1
- 2.Qh4#
- 1...Qe2
- 2.Qh4#
- 1...Rd4
- 2.Sg7#
- 1...Rf4
- 2.Sxf4#
- 1...Se5
- 2.Sg7#
- 1...Sf6
- 2.Be2#
- threat
- 1.Rh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- Q(c);N_GUARD,P_PINP(C)::QAR1(D)
- Q(c);N_GUARD::QAR1(D)
- Q(c);N_GUARD,SBLOCK,XR(G)::QAR1(D)
- Q(c);N_GUARD,XR(A)::QAR1(D)
- Q(c);N_GUARD,XS(E)::QAR1(D)
- R(b);S_CUTB(a)::S(I)
- R(k);N_GUARD::S(I),XR(k)
- R(k);N_GUARD::S(I)
- B(a);N_GUARD::S(I),XB(a)
- B(h);XP(C)::R(G)+B(H),DCHECK
- B(h);::R(G)+B(H),DCHECK
- B(h);S_CUTR(k)::S(I)
- B(h);N_GUARD,P_PINS(I),S_CUTR(k)::QAR2(D)
- B(h);::R(G)+B(H),DCHECK,XB(h)
- S(d);N_GUARD::P(F),XS(f)
- S(f);XQ(D)::R(G)+B(H),DCHECK
- S(f);XS(E)::R(G)+B(H),DCHECK
- S(f);S_CUTB(a)::S(I)
- Tries
- Try
- B(H);CHECK
- Vars
- Q(c);SBLOCK,XR(G)::QAR1(D)
- R(k);P_SPINR(k)::S(I)
- B(a);P_SPINB(a)::S(I)
- B(h);P_SPINB(h)::S(I)
- Refutation
- P(j);P_SPINP(j)
- Try
- B(H);CHECK
- Vars
- Q(c);SBLOCK,XR(G)::QAR1(D)
- R(k);P_SPINR(k)::S(I)
- B(a);P_SPINB(a)::S(I)
- B(h);P_SPINB(h)::S(I)
- S(f);P_SPINS(f)::S(I)
- Refutation
- R(b);P_SPINR(b)
- Try
- Q(D);CHECK
- Vars
- B(h);XQ(D)::S(I)
- Refutation
- R(k);XQ(D)
- Try
- Actual
- R(A);
- Threat
- P(F),XS(f)
- Vars
- Q(c);N_GUARD,XR(A)::QAR1(D)
- Q(c);N_GUARD,XS(E)::QAR1(D)
- B(h);XP(C)::R(G)+B(H),DCHECK
- S(f);XQ(D)::R(G)+B(H),DCHECK
- S(f);XS(E)::R(G)+B(H),DCHECK
- B(h);::R(G)+B(H),DCHECK
- B(h);S_CUTR(k)::S(I)
- B(h);N_GUARD,P_PINS(I),S_CUTR(k)::QAR2(D)
- B(h);::R(G)+B(H),DCHECK,XB(h)
- Q(c);N_GUARD::QAR1(D)
- Q(c);N_GUARD,P_PINP(C)::QAR1(D)
- R(b);S_CUTB(a)::S(I)
- R(k);N_GUARD::S(I),XR(k)
- S(f);S_CUTB(a)::S(I)
- S(f);::R(G)+B(H),DCHECK
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).