MESON Chess Problem Database
Problem Display
PID: 17940 (b2q2B1/1r6/3pR3/b1p1n1p1/R2nk3/4NNP1/5PP1/5Q1K w - - 0 1)
Mansfield, Comins
Die Schwalbe, 1952
#2
10 + 10
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qb6
- 2.Sxg5#
- 1...Qc7
- 2.Sxg5#
- 1...Qd7
- 2.Sxg5#
- 1...Qb8
- 2.Sxg5#
- 1...Qc8
- 2.Sxg5#
- 1...Qe8
- 2.Sxg5#
- 1...Qf8
- 2.Sxg5#
- 1...Rb1
- 2.Bh7#
- 2.Qxb1#
- 1...Rb2
- 2.Bh7#
- 1...Rb3
- 2.Bh7#
- 1...Rb4
- 2.Sd2#
- 1...Rb5
- 2.Bh7#
- 1...Rb6
- 2.Bh7#
- 1...Ra7
- 2.Qb1#
- 1...Rc7
- 2.Qb1#
- 1...Rd7
- 2.Qb1#
- 1...Re7
- 2.Sxg5#
- 2.Qb1#
- 1...Rf7
- 2.Qb1#
- 1...Rg7
- 2.Qb1#
- 1...Rh7+
- 2.Bxh7#
- 1...Rb8
- 2.Bh7#
- 1...Bd2
- 2.Sxd2#
- 1...Bb6
- 2.Sd2#
- 2.Qb1#
- 1...Bc7
- 2.Sd2#
- 2.Bh7#
- 1...d5
- 2.Rxe5#
- 1...Qb6
- Tries
- 1.Rb4?
- threat
- 2.Sd2#
- 2.Qb1#
- 1...Rh7+
- 2.Bxh7#
- 1...Rxb4
- 2.Sd2#
- 1...cxb4
- 2.Sd2#
- 1...c4
- 2.Sd2#
- 1...Bxb4!
- threat
- 1.Re7?
- threat
- 2.Sxg5#
- 2.Bd5#
- 2.Bh7#
- 1...Qxe7
- 2.Bd5#
- 1...Rxe7
- 2.Sxg5#
- 1...Qd7
- 2.Sxg5#
- 2.Bd5#
- 1...Qc8
- 2.Sxg5#
- 2.Bd5#
- 1...Qe8
- 2.Sxg5#
- 2.Bd5#
- 1...Qf8
- 2.Sxg5#
- 2.Bd5#
- 1...Rb1
- 2.Sxg5#
- 2.Bh7#
- 2.Qxb1#
- 1...Rb2
- 2.Sxg5#
- 2.Bh7#
- 1...Rb3
- 2.Sxg5#
- 2.Bh7#
- 1...Rb4
- 2.Sd2#
- 2.Sxg5#
- 1...Rb5
- 2.Sxg5#
- 2.Bh7#
- 1...Rb6
- 2.Sxg5#
- 2.Bh7#
- 1...Ra7
- 2.Sxg5#
- 2.Bh7#
- 2.Qb1#
- 1...Rc7
- 2.Sxg5#
- 2.Bh7#
- 2.Qb1#
- 1...Rd7
- 2.Sxg5#
- 2.Bh7#
- 2.Qb1#
- 1...Rb8
- 2.Sxg5#
- 2.Bh7#
- 1...Bb4
- 2.Sxg5#
- 2.Bd5#
- 1...c4
- 2.Sxg5#
- 2.Bd5#
- 1...g4
- 2.Sg5#
- 2.Bd5#
- 2.Bh7#
- 1...d5
- 2.Sxg5#
- 2.Bh7#
- 2.Rxe5#
- 1...Qxg8!
- threat
- 1.Rb4?
- Keys
- 1.Re8!
- threat
- 2.Bd5#
- 1...Rh7+
- 2.Bxh7#
- 1...Rb1
- 2.Bh7#
- 2.Qxb1#
- 1...Rb2
- 2.Bh7#
- 1...Rb3
- 2.Bh7#
- 1...Rb4
- 2.Sd2#
- 1...Rb5
- 2.Bh7#
- 1...Rb6
- 2.Bh7#
- 1...Ra7
- 2.Qb1#
- 1...Rc7
- 2.Qb1#
- 1...Rd7
- 2.Qb1#
- 1...Re7
- 2.Sxg5#
- 1...Rf7
- 2.Qb1#
- 1...Rg7
- 2.Qb1#
- 1...Rb8
- 2.Bh7#
- 1...d5
- 2.Rxe5#
- threat
- 1.Re8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- Q(j);N_GUARD::S(F),XP(f)
- R(h);N_GUARD::B(J)
- R(h);N_SPINS(a),P_SPINS(e),S_CUTB(c)::S(F)
- R(h);N_GUARD::QAB(A)
- R(h);CHECK,N_GUARD::B(J),XR(h)
- B(c);N_GUARD::S(F),XB(c)
- P(g);N_GUARD::R1(I),XS(e)
- Tries
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,N_GUARD::B(J),XR(h)
- R(h);N_SPINS(a),P_SPINS(e),XR(H)::S(F)
- P(d);N_SPINS(a),P_SPINS(e),XR(H)::S(F)
- P(d);N_SPINS(a),P_SPINS(e)::S(F)
- Refutation
- B(c);N_SPINS(a),P_SPINS(e),XR(H)
- Try
- R(I);
- Threat
- DUALS(3)
- Vars
- Q(j);XR(I)::B(J)
- R(h);XR(I)::S(F),XP(f)
- Refutation
- Q(j);XB(J)
- Try
- Actual
- R(I);
- Threat
- B(J)
- Vars
- R(h);CHECK,N_GUARD::B(J),XR(h)
- R(h);N_GUARD::B(J)
- R(h);N_SPINS(a),P_SPINS(e),S_CUTB(c)::S(F)
- R(h);N_GUARD::QAB(A)
- R(h);S_CUTQ(j)::S(F),XP(f)
- P(g);N_GUARD::R1(I),XS(e)
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).