MESON Chess Problem Database
Problem Display
PID: 190897 (1n6/b1B2n2/6R1/2k4p/Pp1p2bR/8/2PN2BK/Q7 w - - 0 1)
Sero, ?
Western Daily Mercury, 1916
(First published on Sat Jul 22 1916)
#2
9 + 8
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Qxd4#
- 1...Be2
- 2.Qxd4#
- 1...Bf3
- 2.Qxd4#
- 1...Bh3
- 2.Qxd4#
- 1...Bf5
- 2.Qxd4#
- 1...Be6
- 2.Qxd4#
- 1...Bd7
- 2.Qxd4#
- 1...Bc8
- 2.Qxd4#
- 1...Bb6
- 2.Bxb6#
- 1...Sa6
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 1...Sd7
- 2.Rc6#
- 1...b3
- 2.Qa3#
- 1...d3
- 2.Qg1#
- 1...Bd1
- Tries
- 1.Be5?
- threat
- 2.Bxd4#
- 2.Qxd4#
- 1...Bf3
- 2.Qxd4#
- 1...Be6
- 2.Qxd4#
- 1...Sc6
- 2.Rxc6#
- 1...b3
- 2.Qxd4#
- 2.Qa3#
- 1...d3
- 2.Bd4#
- 2.Qd4#
- 2.Qg1#
- 1...Sxe5!
- threat
- 1.Bxb8?
- threat
- 2.Bxa7#
- 2.Rc6#
- 1...Bf3
- 2.Qxd4#
- 1...Be6
- 2.Qxd4#
- 1...Sd6
- 2.Bxa7#
- 1...b3
- 2.Qa3#
- 1...Se5
- 2.Bxa7#
- 1...Bd7
- 2.Bxa7#
- 2.Qxd4#
- 1...Bb6
- 2.Rc6#
- 1...Sd8
- 2.Bxa7#
- 1...Bxb8+!
- threat
- 1.Rhxg4?
- threat
- 2.Qxd4#
- 1...Sc6
- 2.Rxc6#
- 1...d3
- 2.Sb3#
- 2.Rc4#
- 2.Qd4#
- 2.Qg1#
- 1...hxg4!
- threat
- 1.Rg5+?
- 1...Bf5
- 2.Qxd4#
- 1...Se5
- 2.Rxe5#
- 1...Sxg5!
- 1...Bf5
- 1.Rd6?
- threat
- 2.Qxd4#
- 1...Sc6
- 2.Rd5#
- 2.Rxc6#
- 1...d3
- 2.Qd4#
- 2.Qg1#
- 1...Sxd6!
- threat
- 1.Qf1?
- threat
- 2.Sb3#
- 2.Qc4#
- 2.Qb5#
- 1...Bf3
- 2.Qc4#
- 2.Qb5#
- 1...b3
- 2.Qc4#
- 2.Qb5#
- 1...d3
- 2.Qg1#
- 2.Qf2#
- 1...Se5
- 2.Sb3#
- 2.Qb5#
- 2.Qf8#
- 1...Be6
- 2.Qb5#
- 1...Bd7
- 2.Sb3#
- 2.Qc4#
- 1...Sd6
- 2.Sb3#
- 1...Be2!
- threat
- 1.Qa2?
- threat
- 2.Se4#
- 2.Qc4#
- 2.Qd5#
- 1...b3
- 2.Qa3#
- 1...d3
- 2.Qc4#
- 2.Qd5#
- 1...Se5
- 2.Se4#
- 2.Qd5#
- 1...Be2
- 2.Se4#
- 2.Qd5#
- 1...Bf3
- 2.Qc4#
- 1...Bf5
- 2.Qc4#
- 2.Qd5#
- 1...Sg5
- 2.Qc4#
- 2.Qd5#
- 1...Sd6
- 2.Qd5#
- 1...Be6!
- threat
- 1.c3?
- threat
- 2.cxd4#
- 1...bxc3
- 2.Qa3#
- 1...dxc3
- 2.Qg1#
- 1...Sc6
- 2.Rxc6#
- 1...b3
- 2.Qa3#
- 1...d3
- 2.Qg1#
- 1...Bf3!
- threat
- 1.Be5?
- Keys
- 1.Re6!
- 1...Bxe6
- 2.Qxd4#
- 1...Bf3
- 2.Qxd4#
- 1...b3
- 2.Qa3#
- 1...Se5
- 2.Rxe5#
- 1...Bd1
- 2.Qxd4#
- 1...Be2
- 2.Qxd4#
- 1...Bh3
- 2.Qxd4#
- 1...Bf5
- 2.Qxd4#
- 1...Bb6
- 2.Bxb6#
- 1...Sg5
- 2.Re5#
- 1...Sd6
- 2.Re5#
- 1...Sh6
- 2.Re5#
- 1...Sd8
- 2.Re5#
- 1...Sh8
- 2.Re5#
- 1...Sa6
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 1...Sd7
- 2.Rc6#
- 1...d3
- 2.Qg1#
- 1...Bxe6
- 1.Re6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 2
- Sets
- B(c);::QAB1(A),XP(b)
- B(f);N_GUARD::B(I),XB(f)
- S(h);N_GUARD::R1(H)
- S(h);N_GUARD::R1(H),XS(h)
- P(a);OGATEB::QAB(A)
- P(b);OGATEB::QAB(A)
- Tries
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- B(c);::QAB1(A),XP(b)
- S(h);N_GUARD::R1(H),XS(h)
- Refutation
- S(g);XB(I)
- Try
- B(I);XS(h)
- Threat
- DUALS(2)
- Vars
- B(c);::QAB1(A),XP(b)
- S(g);::B(I),XB(f)
- P(a);OGATEB::QAB(A)
- B(f);::R1(H)
- Refutation
- B(f);CHECK,XB(I)
- Try
- R(G);XB(c)
- Threat
- QAB1(A),XP(b)
- Vars
- S(h);N_GUARD::R1(H),XS(h)
- Refutation
- P(e);XR(G)
- Try
- R(H);CHECK
- Vars
- B(c);P_SPINB(c)::QAB1(A),XP(b)
- S(g);N_GUARD,P_SPINS(g)::R(H),XS(g)
- Refutation
- S(g);XR(H)
- Try
- R(H);
- Threat
- QAB1(A),XP(b)
- Refutation
- S(g);XR(H)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(c);::QAR1(A)
- S(g);::S(C)
- Refutation
- B(c);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- P(a);OGATEB::QAB(A)
- B(c);::QAR1(A)
- S(g);::QAR1(A)
- Refutation
- B(c);
- Try
- P(B);
- Threat
- P(B),XP(b)
- Vars
- P(a);OGATEB,XP(B)::QAB(A)
- P(b);OGATEB,XP(B)::QAB(A)
- S(h);N_GUARD::R1(H),XS(h)
- P(a);OGATEB::QAB(A)
- P(b);OGATEB::QAB(A)
- Refutation
- B(c);
- Try
- Actual
- R(H);
- Vars
- B(c);XR(H)::QAB1(A),XP(b)
- B(c);::QAB1(A),XP(b)
- P(a);OGATEB::QAB(A)
- S(g);N_GUARD::R(H),XS(g)
- B(f);N_GUARD::B(I),XB(f)
- S(g);N_GUARD::R(H)
- S(h);N_GUARD::R1(H)
- S(h);N_GUARD::R1(H),XS(h)
- P(b);OGATEB::QAB(A)
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).