MESON Chess Problem Database
Problem Display
PID: 21547 (1KR2Br1/3p1pN1/1p6/3kp2Q/R2N1r2/7p/6bq/1B4b1 w - - 0 1)
Mansfield, Comins
4th Prize, Hastings Victory Ty., 1919
#2
8 + 11
| 4797 | A Genius of the Two-mover | 1936 |
| 3202 | Complete Mansfield/I | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Rxd4
- 2.Qxf7#
- 1...Re4
- 2.Ba2#
- 2.Qxf7#
- 1...Rg4
- 2.Qxf7#
- 1...Rh4
- 2.Qxf7#
- 1...b5
- 2.Rc5#
- 1...f5
- 2.Qf7#
- 1...f6
- 2.Qf7#
- 1...Rxd4
- Tries
- 1.Qe2?
- threat
- 2.Ba2#
- 2.Qc4#
- 2.Qb5#
- 2.Qa2#
- 1...Rxd4
- 2.Qb5#
- 1...Bxd4
- 2.Ba2#
- 2.Qc4#
- 2.Qa2#
- 1...exd4
- 2.Ba2#
- 2.Qb5#
- 1...e4
- 2.Qb5#
- 1...Qg3
- 2.Qc4#
- 2.Qb5#
- 1...Rf2
- 2.Ba2#
- 2.Qc4#
- 2.Qb5#
- 1...Rf3
- 2.Be4#
- 2.Qc4#
- 2.Qb5#
- 2.Qe4#
- 1...Be3
- 2.Qc4#
- 2.Qb5#
- 2.Qa2#
- 1...Bf1
- 2.Ba2#
- 1...Bh1
- 2.Ba2#
- 2.Qc4#
- 2.Qb5#
- 1...Bf3
- 2.Ba2#
- 2.Qc4#
- 2.Qb5#
- 1...Be4
- 2.Ba2#
- 2.Qc4#
- 2.Qb5#
- 1...b5
- 2.Ba2#
- 2.Rc5#
- 2.Qxb5#
- 2.Qa2#
- 1...Rxf8!
- threat
- 1.Qg6?
- threat
- 2.Ba2#
- 2.Qd6#
- 1...Rxd4
- 2.Qxf7#
- 2.Qd6#
- 1...Rxf8
- 2.Ba2#
- 1...exd4
- 2.Qd6#
- 1...e4
- 2.Qd6#
- 1...Qg3
- 2.Qd6#
- 1...Rf2
- 2.Qd6#
- 1...Rf3
- 2.Be4#
- 2.Qe4#
- 2.Qd6#
- 1...Rf5
- 2.Qd6#
- 1...Rf6
- 2.Ba2#
- 1...Bf1
- 2.Qd6#
- 1...Bh1
- 2.Qd6#
- 1...Bf3
- 2.Qd6#
- 1...Be4
- 2.Qd6#
- 1...d6
- 2.Ba2#
- 2.Qxd6#
- 1...f5
- 2.Qf7#
- 2.Qd6#
- 1...f6
- 2.Ba2#
- 2.Qf7#
- 1...fxg6!
- threat
- 1.Qf5?
- threat
- 2.Ba2#
- 2.Qxd7#
- 1...Rxd4
- 2.Qxd7#
- 2.Qxf7#
- 1...Rxf8
- 2.Qxd7#
- 1...Qg3
- 2.Qxd7#
- 1...Rf2
- 2.Qxd7#
- 1...Rf3
- 2.Be4#
- 2.Qe4#
- 2.Qxd7#
- 1...Bf1
- 2.Qxd7#
- 1...Bh1
- 2.Qxd7#
- 1...Bf3
- 2.Qxd7#
- 1...Be4
- 2.Qxd7#
- 1...d6
- 2.Ba2#
- 1...Rxf5!
- threat
- 1.Qe2?
- Keys
- 1.Sc6!
- threat
- 2.Qxe5#
- 1...Rxa4
- 2.Qxf7#
- 1...dxc6
- 2.Rd8#
- 1...Rb4
- 2.Qxf7#
- 1...d6
- 2.Se7#
- 1...Rf1
- 2.Ba2#
- 1...Rf2
- 2.Rd4#
- 1...Rf3
- 2.Be4#
- 1...Rc4
- 2.Qxf7#
- 1...Rd4
- 2.Qxf7#
- 1...Re4
- 2.Qxf7#
- 1...Rg4
- 2.Qxf7#
- 1...Rh4
- 2.Qxf7#
- 1...Rf5
- 2.Ba2#
- 1...Rf6
- 2.Ba2#
- 1...Bd4
- 2.Sb4#
- 1...f5
- 2.Qf7#
- 1...f6
- 2.Qf7#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 1
- Sets
- R(e);N_GUARD,XS(C)::QAB(D),XP(j)
- R(e);N_GUARD::QAB(D),XP(j)
- P(h);N_GUARD::R1(G)
- P(j);N_SPINP(g),S_CUTR(e)::QAB(D)
- P(j);S_CUTR(e)::QAB(D)
- Tries
- Try
- Q(D);N_PINP(g)
- Threat
- DUALS(4)
- Vars
- R(e);XS(C)::QAR2(D)
- P(g);::QAR2(D)
- B(b);::B(A)
- Refutation
- R(k);P_PINR(G),XB(H)
- Try
- Q(D);N_PINP(g)
- Threat
- DUALS(2)
- Vars
- R(k);P_PINR(G),XB(H)::B(A)
- P(g);XS(C)::QAR1(D)
- P(g);::QAR1(D)
- Q(c);::QAR1(D)
- R(e);::QAR1(D)
- R(e);::B(A)
- B(b);::QAR1(D)
- Refutation
- P(j);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(k);P_PINR(G),XB(H)::QAR2(D),XP(i)
- Q(c);::QAR2(D),XP(i)
- R(e);::QAR2(D),XP(i)
- B(b);::QAR2(D),XP(i)
- P(i);::B(A)
- Refutation
- R(e);N_SPINP(g),XQ(D)
- Try
- Actual
- S(C);
- Threat
- QAR1(D),XP(g)
- Vars
- R(e);N_GUARD,XR(B)::QAB(D),XP(j)
- P(i);OGATEB,SBLOCK,XS(C)::R(G)
- R(e);N_GUARD::QAB(D),XP(j)
- P(i);SBLOCK::S(C)
- R(e);N_GUARD::B(A)
- R(e);N_GUARD,S_CUTB(a)::R1(B)
- R(e);N_GUARD,S_CUTB(b)::B(A)
- R(e);N_GUARD,N_SPINP(g)::B(A)
- B(a);SBLOCK,S_CUTR(e)::S(C)
- P(j);N_SPINP(g),S_CUTR(e)::QAB(D)
- P(j);S_CUTR(e)::QAB(D)
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).