MESON Chess Problem Database
Problem Display
PID: 83493 (4n1b1/5p2/1KN5/4pQ2/p1k1B3/4P2p/np2P2q/1N6 w - - 0 1)
Ellerman, Arnoldo
Good Companions (January), 1917
#2
7 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kb3
- 2.Bd5#
- 1...Bh7
- 2.Qxf7#
- 1...Sc3
- 2.Sd2#
- 1...Sb4
- 2.Sa5#
- 1...Kb3
- Tries
- 1.Bh1?
- threat
- 2.Qd3#
- 1...Kb3
- 2.Bd5#
- 1...Bh7
- 2.Qxf7#
- 1...Sc1
- 2.Qc2#
- 1...Sc3
- 2.Sd2#
- 1...Sb4
- 2.Sa5#
- 1...e4
- 2.Qb5#
- 1...Qxe2!
- threat
- 1.Bc2?
- threat
- 2.Qd3#
- 2.Qe4#
- 1...Qxe2
- 2.Qe4#
- 1...Qf4
- 2.Qd3#
- 1...Qh1
- 2.Qd3#
- 1...Qg2
- 2.Qd3#
- 1...Bh7
- 2.Qxf7#
- 1...Sc1
- 2.Qe4#
- 1...Sc3
- 2.Qd3#
- 1...Sb4
- 2.Qe4#
- 1...Sd6
- 2.Qd3#
- 1...Sf6
- 2.Qd3#
- 1...e4
- 2.Qxe4#
- 2.Qb5#
- 2.Qc5#
- 1...Kd5!
- threat
- 1.Bf3?
- threat
- 2.Qd3#
- 1...Kb3
- 2.Bd5#
- 1...Bh7
- 2.Qxf7#
- 1...Sc1
- 2.Qc2#
- 1...Sc3
- 2.Sd2#
- 1...Sb4
- 2.Sa5#
- 1...e4
- 2.Qb5#
- 1...Qxe2!
- threat
- 1.Qd7?
- threat
- 2.Bd5#
- 2.Qd3#
- 2.Qd5#
- 1...Kb3
- 2.Qd5#
- 1...Qxe2
- 2.Qd5#
- 1...Qh1
- 2.Qd3#
- 2.Qd5#
- 1...Qg2
- 2.Qd3#
- 2.Qd5#
- 1...Sc1
- 2.Bd5#
- 2.Qd5#
- 1...Sc3
- 2.Sd2#
- 1...Sb4
- 2.Sa5#
- 1...Sf6
- 2.Qd3#
- 1...Sc7
- 2.Qd3#
- 1...f5
- 2.Qd3#
- 1...f6
- 2.Qd3#
- 1...Sd6!
- threat
- 1.Qxe5?
- threat
- 2.Sd2#
- 2.Bd5#
- 2.Qb5#
- 2.Qd5#
- 1...Kb3
- 2.Qd5#
- 1...Qxe2
- 2.Qb5#
- 2.Qd5#
- 1...Qh1
- 2.Sd2#
- 2.Qb5#
- 2.Qd5#
- 1...Qg2
- 2.Sd2#
- 2.Qb5#
- 2.Qd5#
- 1...Sc3
- 2.Sd2#
- 2.Qxc3#
- 1...Sb4
- 2.Sd2#
- 2.Sa5#
- 2.Qc3#
- 1...Sd6
- 2.Sd2#
- 2.Bd5#
- 2.Qd5#
- 1...Sf6
- 2.Sd2#
- 2.Qb5#
- 1...Sc7
- 2.Sd2#
- 1...f5
- 2.Sd2#
- 2.Qb5#
- 1...f6
- 2.Sd2#
- 2.Qb5#
- 1...Qxe5!
- threat
- 1.Bh1?
- Keys
- 1.Bg2!
- threat
- 2.Qd3#
- 1...Kb3
- 2.Bd5#
- 1...Bh7
- 2.Qxf7#
- 1...Sc1
- 2.Qc2#
- 1...Sc3
- 2.Sd2#
- 1...Sb4
- 2.Sa5#
- 1...e4
- 2.Qb5#
- threat
- 1.Bg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(f);S_FLIGHT::B(D)
- B(j);N_GUARD::QAB(E),XP(h)
- S(a);SBLOCK::S(A)
- S(a);SBLOCK::S(G)
- Tries
- Try
- B(D);
- Threat
- QAB1(E)
- Vars
- K(f);S_FLIGHT::B(D)
- B(j);N_GUARD::QAB(E),XP(h)
- S(a);N_GUARD::QAR2(E)
- S(a);SBLOCK::S(A)
- S(a);SBLOCK::S(G)
- P(g);OGATE::QAB1(E)
- Refutation
- Q(c);XP(B)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(c);XP(B)::QAR2(E)
- Q(c);::QAB1(E)
- B(j);N_GUARD::QAB(E),XP(h)
- S(a);::QAR2(E)
- S(a);::QAB1(E)
- S(i);::QAB1(E)
- Refutation
- K(f);P_SPINP(g),S_FLIGHT
- Try
- B(D);
- Threat
- QAB1(E)
- Vars
- K(f);S_FLIGHT::B(D)
- B(j);N_GUARD::QAB(E),XP(h)
- S(a);N_GUARD::QAR2(E)
- S(a);SBLOCK::S(A)
- S(a);SBLOCK::S(G)
- P(g);OGATE::QAB1(E)
- Refutation
- Q(c);XP(B)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- K(f);S_FLIGHT::QAB(E)
- Q(c);XP(B)::QAB1(E)
- S(a);SBLOCK::S(A)
- S(a);SBLOCK::S(G)
- S(i);::QAB1(E)
- P(h);::QAB1(E)
- Refutation
- S(i);
- Try
- Q(E);XP(g)
- Threat
- DUALS(4)
- Vars
- K(f);S_FLIGHT::QAB(E)
- S(i);::S(A)
- Refutation
- Q(c);XQ(E)
- Try
- Actual
- B(D);
- Threat
- QAB1(E)
- Vars
- K(f);S_FLIGHT::B(D)
- B(j);N_GUARD::QAB(E),XP(h)
- S(a);N_GUARD::QAR2(E)
- S(a);SBLOCK::S(A)
- S(a);SBLOCK::S(G)
- P(g);OGATE::QAB1(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).