MESON Chess Problem Database
Problem Display
PID: 6588 (2n1q2R/n4PpB/1r6/2b3P1/r3QPp1/3PpNK1/2P5/R1B3Nk w - - 0 1)
Mansfield, Comins
Comm., Budapest Chess Club, 1932-1933
#2
13 + 10
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qb5
- 2.Bg6#
- 1...Qc6
- 2.Bg6#
- 1...Qd7
- 2.Bg6#
- 1...Qxf7
- 2.Bg6#
- 1...Qxe4
- 2.Bg6#
- 1...Qe5
- 2.Bg6#
- 1...Qe6
- 2.Bg6#
- 1...Qe7
- 2.Bg6#
- 1...Rb1
- 2.Bg8#
- 1...Rb2
- 2.Bg8#
- 1...Rb3
- 2.Bg8#
- 1...Rb4
- 2.Bg8#
- 1...Rb5
- 2.Bg8#
- 1...Rb7
- 2.Bg8#
- 1...Rb8
- 2.Bg8#
- 1...Bd6
- 2.Bg8#
- 1...Bf8
- 2.Bg6#
- 1...Sc6
- 2.Bg8#
- 1...Sd6
- 2.Bg8#
- 1...g6
- 2.Bg8#
- 1...Qb5
- Tries
- 1.Sd4+?
- 1...Kxg1
- 2.Bxe3#
- 2.Qg2#
- 1...Qxe4!
- 1...Kxg1
- 1.Se5+?
- 1...Kxg1
- 2.Bxe3#
- 2.Qg2#
- 1...Rxe4!
- 1...Kxg1
- 1.Sd4+?
- Keys
- 1.Se2!
- 1...Qxf7
- 2.Sfd4#
- 2.Bg6#
- 1...Qxe4
- 2.Bg6#
- 1...Qxh8
- 2.Sfd4#
- 1...Rxa1
- 2.Se5#
- 1...Rxe4
- 2.Bb2#
- 1...gxf3
- 2.Qxf3#
- 1...Qb5
- 2.Sfd4#
- 2.Bg6#
- 1...Qc6
- 2.Bg6#
- 1...Qd7
- 2.Sfd4#
- 2.Bg6#
- 1...Qe5
- 2.Bg6#
- 1...Qe6
- 2.Bg6#
- 1...Qe7
- 2.Bg6#
- 1...Qd8
- 2.Sfd4#
- 1...Qf8
- 2.Sfd4#
- 1...Qg8
- 2.Sfd4#
- 1...Ra2
- 2.Se5#
- 1...Ra3
- 2.Se5#
- 1...Rab4
- 2.Bb2#
- 1...Rc4
- 2.Bb2#
- 1...Rd4
- 2.Bb2#
- 1...Ra5
- 2.Se5#
- 1...Raa6
- 2.Se5#
- 1...Rb1
- 2.Bg8#
- 1...Rb2
- 2.Bg8#
- 1...Rb3
- 2.Bg8#
- 1...Rbb4
- 2.Bg8#
- 1...Rb5
- 2.Bg8#
- 1...Rba6
- 2.Ba3#
- 1...Rc6
- 2.Ba3#
- 1...Rd6
- 2.Ba3#
- 1...Re6
- 2.Ba3#
- 1...Rf6
- 2.Ba3#
- 1...Rg6
- 2.Ba3#
- 1...Rh6
- 2.Ba3#
- 1...Rb7
- 2.Bg8#
- 1...Rb8
- 2.Bg8#
- 1...Ba3
- 2.Bb2#
- 1...Bb4
- 2.Se5#
- 1...Bd4
- 2.Se5#
- 1...Bd6
- 2.Bg8#
- 1...Be7
- 2.Sfd4#
- 1...Bf8
- 2.Bg6#
- 1...Sb5
- 2.Ba3#
- 1...Sc6
- 2.Bg8#
- 1...Sd6
- 2.Bg8#
- 1...Se7
- 2.Sfd4#
- 1...g6
- 2.Bg8#
- 1...Qxf7
- 1.Se2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 27
- REMOVED MATES = 3
- Sets
- Q(j);N_GUARD::R(M)+B(L)
- Q(j);N_GUARD,XP(K)::R(M)+B(L)
- Q(j);N_GUARD,XQ(H)::R(M)+B(L)
- Q(j);N_GUARD,P_PINP(I)::R(M)+B(L)
- R(f);N_GUARD::R(M)+B(L)
- B(e);P_PINP(I),S_CUTR(f)::R(M)+B(L)
- B(e);S_CUTQ(j)::R(M)+B(L)
- S(g);S_CUTR(f)::R(M)+B(L)
- S(i);S_CUTR(f)::R(M)+B(L)
- P(h);S_CUTR(f)::R(M)+B(L)
- Tries
- Try
- S(F);CHECK
- Refutation
- Q(j);XQ(H)
- Try
- S(F);CHECK
- Refutation
- R(c);XQ(H)
- Try
- Actual
- S(C);
- Vars
- Q(j);N_GUARD,XQ(H)::R(M)+B(L)
- Q(j);N_GUARD,XR(M)::QAB(H)+S(F)
- R(c);N_GUARD,SBLOCK,XR(A)::QAB(H)+S(F)
- R(c);N_GUARD,XQ(H)::R(A)+B(B)
- P(d);OGATE,P_SPINP(d),XS(F)::QAB(H),XP(d)
- Q(j);N_GUARD::R(M)+B(L)
- Q(j);N_GUARD,P_PINP(I)::R(M)+B(L)
- Q(j);N_GUARD::QAB(H)+S(F)
- R(c);N_GUARD::QAB(H)+S(F)
- R(c);N_GUARD::R(A)+B(B)
- R(f);N_GUARD::R(M)+B(L)
- R(f);N_GUARD::R(A)+B(B)
- B(e);S_CUTR(c)::R(A)+B(B)
- B(e);S_CUTR(c)::QAB(H)+S(F)
- B(e);P_PINP(I),S_CUTR(f)::R(M)+B(L)
- B(e);S_CUTQ(j)::QAB(H)+S(F)
- B(e);S_CUTQ(j)::R(M)+B(L)
- S(g);S_CUTR(f)::R(A)+B(B)
- S(g);S_CUTR(f)::R(M)+B(L)
- S(i);S_CUTR(f)::R(M)+B(L)
- S(i);S_CUTQ(j)::QAB(H)+S(F)
- P(h);S_CUTR(f)::R(M)+B(L)
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).