MESON Chess Problem Database
Problem Display
PID: 52306 (qB3n2/p3p3/Q7/1PPkN1p1/3Pp1Bp/1pP4K/8/8 w - - 0 1)
Howard, Kenneth Samuel
American Chess Bulletin, 1925
#2
9 + 9
| 5089 | The Enjoyment of Chess Problems | 1943 |
SOLUTION
- SOUND
- Sets
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Qxb8
- 2.Qc6#
- 1...Se6
- 2.Bxe6#
- 2.Qxe6#
- 1...Sg6
- 2.Be6#
- 2.Qe6#
- 1...Sd7
- 2.Be6#
- 2.Qe6#
- 1...Sh7
- 2.Be6#
- 2.Qe6#
- 1...b2
- 2.Qa2#
- 1...e3
- 2.Bf3#
- 1...e6
- 2.Qd6#
- 1...Qc6
- Tries
- 1.Kg2?
- 1...Qxb8
- 2.Qc6#
- 1...e3
- 2.Bf3#
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Se6
- 2.Bxe6#
- 2.Qxe6#
- 1...Sg6
- 2.Be6#
- 2.Qe6#
- 1...Sd7
- 2.Be6#
- 2.Qe6#
- 1...Sh7
- 2.Be6#
- 2.Qe6#
- 1...b2
- 2.Qa2#
- 1...e6
- 2.Qd6#
- 1...h3+!
- 1...Qxb8
- 1.Kh2?
- 1...Qxb8
- 2.Qc6#
- 1...e3
- 2.Bf3#
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Se6
- 2.Bxe6#
- 2.Qxe6#
- 1...Sg6
- 2.Be6#
- 2.Qe6#
- 1...Sd7
- 2.Be6#
- 2.Qe6#
- 1...Sh7
- 2.Be6#
- 2.Qe6#
- 1...b2
- 2.Qa2#
- 1...e6
- 2.Qd6#
- 1...h3!
- 1...Qxb8
- 1.Bd1?
- threat
- 2.Bxb3#
- 1...e3
- 2.Bf3#
- 1...b2
- 2.Bb3#
- 2.Qa2#
- 1...g4+!
- threat
- 1.Be2?
- threat
- 2.Bc4#
- 1...e3
- 2.Bf3#
- 1...g4+!
- threat
- 1.Bc7?
- 1...e3
- 2.Bf3#
- 1...Qc8
- 2.Qc6#
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Qb8
- 2.Qc6#
- 1...Qd8
- 2.Qb7#
- 2.Qc6#
- 1...Se6
- 2.Bxe6#
- 2.Qxe6#
- 1...Sg6
- 2.Be6#
- 2.Qe6#
- 1...Sd7
- 2.Be6#
- 2.Qe6#
- 1...Sh7
- 2.Be6#
- 2.Qe6#
- 1...b2
- 2.Qa2#
- 1...e6
- 2.Qd6#
- 1...Qe8!
- 1...e3
- 1.Qa2?
- threat
- 2.Qxb3#
- 1...e3
- 2.Qg2#
- 1...bxa2!
- threat
- 1.Qa3?
- threat
- 2.Qxb3#
- 1...b2
- 2.Qa2#
- 2.Qb3#
- 1...e3!
- threat
- 1.Qa4?
- threat
- 2.Qxb3#
- 2.Qc4#
- 1...b2
- 2.Qb3#
- 2.Qa2#
- 2.Qc4#
- 1...e3!
- threat
- 1.Kg2?
- Keys
- 1.Qa1!
- threat
- 2.c4#
- 1...e3
- 2.Qh1#
- 1...b2
- 2.Qa2#
- threat
- 1.Qa1!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- Q(h);N_GUARD::QAB1(H),XQ(h)
- Q(h);N_GUARD::QAB(H),XQ(h)
- Q(h);N_GUARD,XB(I)::QAB1(H)
- P(a);OGATEB::QAB(H)
- P(b);OGATEB::B(D)
- P(g);N_GUARD::QAR1(H)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- Q(h);N_GUARD,XB(I)::QAB1(H)
- P(b);OGATEB::B(D)
- Q(h);N_GUARD::QAB1(H),XQ(h)
- Q(h);N_GUARD::QAB(H),XQ(h)
- P(a);OGATEB::QAB(H)
- P(g);N_GUARD::QAR1(H)
- Refutation
- P(c);CHECK
- Try
- K(B);P-FLIGHT
- Vars
- Q(h);N_GUARD,P_PINS(G),XB(I)::QAB1(H)
- P(b);OGATEB::B(D)
- Q(h);N_GUARD::QAB1(H),XQ(h)
- Q(h);N_GUARD::QAB(H),XQ(h)
- P(a);OGATEB::QAB(H)
- P(g);N_GUARD::QAR1(H)
- Refutation
- P(c);
- Try
- B(D);
- Threat
- B(D),XP(a)
- Vars
- P(b);OGATEB::B(D)
- Refutation
- P(e);CHECK
- Try
- B(D);
- Threat
- B(D)
- Vars
- P(b);OGATEB::B(D)
- Refutation
- P(e);CHECK
- Try
- B(I);
- Vars
- P(b);OGATEB::B(D)
- Q(h);N_GUARD,P_PINB(D)::QAB1(H)
- Q(h);N_GUARD::QAB1(H),XQ(h)
- Q(h);N_GUARD::QAB(H),XQ(h)
- Q(h);N_GUARD::QAB1(H)
- P(a);OGATEB::QAB(H)
- P(g);N_GUARD::QAR1(H)
- Refutation
- Q(h);
- Try
- Q(H);P_PINP(a)
- Threat
- QAB(H),XP(a)
- Vars
- P(b);OGATEB::QAB(H)
- Refutation
- P(a);N_SPINP(a),XQ(H)
- Try
- Q(H);
- Threat
- QAB(H),XP(a)
- Refutation
- P(b);
- Try
- Q(H);
- Threat
- DUALS(2)
- Refutation
- P(b);
- Try
- Actual
- Q(H);
- Threat
- P(A)
- Vars
- P(b);OGATEB::QAB(H)
- P(a);OGATEB::QAB(H)
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).