MESON Chess Problem Database
Problem Display
PID: 21385 (8/4p3/1p1pB3/1p6/nR1Pkp1N/K2p1p2/N3pP1n/7Q w - - 0 1)
Warton, Thomas Joseph
Manchester Weekly Times, 1918
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.Qxf3#
- 1...Sg4
- 2.Qxf3#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sc3#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...d2
- 2.Qb1#
- 1...d5
- 2.Bf5#
- 1...Sf1
- Tries
- 1.Kb3?
- 1...d2
- 2.Qb1#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...Sf1
- 2.Qxf3#
- 1...Sg4
- 2.Qxf3#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...d5
- 2.Bf5#
- 1...Sc5+!
- 1...d2
- 1.Sxf3?
- threat
- 2.Sd2#
- 2.Sg5#
- 2.d5#
- 1...Sxf3
- 2.Qh7#
- 1...e1Q
- 2.Sd2#
- 2.Sg5#
- 1...e1B
- 2.Sd2#
- 2.Sg5#
- 1...Sb2
- 2.Sc3#
- 2.Sd2#
- 2.Sg5#
- 1...d5
- 2.Sd2#
- 2.Sg5#
- 1...d2!
- threat
- 1.Sg6?
- threat
- 2.d5#
- 1...d2
- 2.Qb1#
- 1...e1Q
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...Sb2
- 2.Sc3#
- 1...d5!
- threat
- 1.Bf7?
- 1...d2
- 2.Qb1#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...d5
- 2.Bg6#
- 1...Sf1
- 2.Qxf3#
- 1...Sg4
- 2.Qxf3#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sc3#
- 1...e5
- 2.d5#
- 1...e6!
- 1...d2
- 1.Bg8?
- 1...d2
- 2.Qb1#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...d5
- 2.Bh7#
- 1...Sf1
- 2.Qxf3#
- 1...Sg4
- 2.Qxf3#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sc3#
- 1...e5
- 2.d5#
- 1...e6!
- 1...d2
- 1.Qg2?
- threat
- 2.Qg6#
- 1...Sg4
- 2.Qxf3#
- 1...fxg2!
- threat
- 1.Kb3?
- Keys
- 1.Qa1!
- threat
- 2.d5#
- 1...d2
- 2.Qb1#
- 1...e1Q
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...d5
- 2.Bf5#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- threat
- 1.Qa1!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- S(b);N_GUARD::QAB1(A),XP(d)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- P(c);OGATEB::QAB(A)
- P(j);SBLOCK::B(H)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- P(c);OGATEB::QAB(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- S(b);N_GUARD::QAB1(A),XP(d)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- P(j);SBLOCK::B(H)
- Refutation
- S(e);CHECK
- Try
- S(G);XP(d)
- Threat
- DUALS(3)
- Vars
- S(b);OGATE,P_SPINS(b),SBLOCK,XS(G)::QAB(A)
- Refutation
- P(c);
- Try
- S(G);
- Threat
- R(E)+P(F)
- Vars
- P(c);OGATEB::QAB(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XB(a)
- S(e);N_GUARD::S(B)
- Refutation
- P(j);
- Try
- B(H);
- Vars
- P(c);OGATEB::QAB(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- P(j);SBLOCK::B(H)
- S(b);N_GUARD::QAB1(A),XP(d)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- P(k);SBLOCK::R(E)+P(F)
- Refutation
- P(k);
- Try
- B(H);
- Vars
- P(c);OGATEB::QAB(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- P(j);SBLOCK::B(H)
- S(b);N_GUARD::QAB1(A),XP(d)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- P(k);SBLOCK::R(E)+P(F)
- Refutation
- P(k);
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- S(b);N_GUARD::QAB1(A),XP(d)
- Refutation
- P(d);N_SPINP(d),XQ(A)
- Try
- Actual
- Q(A);N_PINP(d)
- Threat
- R(E)+P(F)
- Vars
- P(c);OGATEB::QAB(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(j);SBLOCK::B(H)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),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).