MESON Chess Problem Database
Problem Display
PID: 258006 (1b6/r1p3Rp/1q2p2k/4B3/4p3/1Q2p2p/8/3B3K w - - 0 1)
Howard, Kenneth Samuel
British Chess Magazine, 1934
#2
5 + 10
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Qxe6#
- 1...Qa5
- 2.Qxe6#
- 2.Qxe3#
- 1...Qc5
- 2.Qxe6#
- 1...Qb4
- 2.Qxe6#
- 2.Qxe3#
- 1...Qb5
- 2.Qxe6#
- 2.Qxe3#
- 1...Qa6
- 2.Qxe3#
- 1...Qc6
- 2.Qxe3#
- 1...Qd6
- 2.Qxe3#
- 1...Qb7
- 2.Qxe6#
- 2.Qxe3#
- 1...e2
- 2.Qxh3#
- 1...c5
- 2.Qxe3#
- 1...c6
- 2.Qxe6#
- 1...Qd4
- Tries
- 1.Rg2?
- threat
- 2.Bf4#
- 2.Bg7#
- 1...e2
- 2.Qxh3#
- 1...Qd4
- 2.Bf4#
- 2.Qxe6#
- 1...Qa5
- 2.Bg7#
- 2.Qxe6#
- 2.Qxe3#
- 1...Qc5
- 2.Bg7#
- 2.Qxe6#
- 1...Qb5
- 2.Bg7#
- 2.Qxe6#
- 2.Qxe3#
- 1...Qd6
- 2.Bg7#
- 2.Qxe3#
- 1...Ra5
- 2.Bg7#
- 1...c5
- 2.Qxe3#
- 1...c6
- 2.Qxe6#
- 1...hxg2+!
- threat
- 1.Rg3?
- threat
- 2.Bf4#
- 2.Bg7#
- 1...Qd4
- 2.Bf4#
- 2.Qxe6#
- 1...Qa5
- 2.Bg7#
- 2.Qxe6#
- 2.Qxe3#
- 1...Qc5
- 2.Bg7#
- 2.Qxe6#
- 1...Qb5
- 2.Bg7#
- 2.Qxe6#
- 2.Qxe3#
- 1...Qd6
- 2.Bg7#
- 2.Qxe3#
- 1...Ra5
- 2.Bg7#
- 1...c5
- 2.Qxe3#
- 1...c6
- 2.Qxe6#
- 1...e2!
- threat
- 1.Rg8?
- threat
- 2.Bf4#
- 1...e2
- 2.Qxh3#
- 1...Qa5
- 2.Qxe6#
- 2.Qxe3#
- 1...Qc5
- 2.Qxe6#
- 1...Qb5
- 2.Qxe6#
- 2.Qxe3#
- 1...Qd6
- 2.Qxe3#
- 1...c5
- 2.Qxe3#
- 1...c6
- 2.Qxe6#
- 1...Ra5!
- threat
- 1.Rg2?
- Keys
- 1.Rg1!
- threat
- 2.Bf4#
- 2.Bg7#
- 1...e2
- 2.Qxh3#
- 1...Qd4
- 2.Bf4#
- 2.Qxe6#
- 1...Qa5
- 2.Bg7#
- 2.Qxe6#
- 2.Qxe3#
- 1...Qc5
- 2.Bg7#
- 2.Qxe6#
- 1...Qb5
- 2.Bg7#
- 2.Qxe6#
- 2.Qxe3#
- 1...Qd6
- 2.Bg7#
- 2.Qxe3#
- 1...Ra5
- 2.Bg7#
- 1...c5
- 2.Qxe3#
- 1...c6
- 2.Qxe6#
- threat
- 1.Rg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- Q(d);N_GUARD::QAR(C),XP(e)
- Q(d);N_GUARD,SBLOCK::QAB(C),XP(a)
- Q(d);N_GUARD::QAB(C),XP(a)
- P(a);OGATE::QAR(C),XP(b)
- P(h);S_CUTQ(d)::QAB(C),XP(a)
- P(h);S_CUTQ(d)::QAR(C),XP(e)
- Tries
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- P(a);OGATE::QAR(C),XP(b)
- R(g);::B(D)
- P(h);S_CUTQ(d)::QAB(C),XP(a)
- P(h);S_CUTQ(d)::QAR(C),XP(e)
- Refutation
- P(b);CHECK,XR(E)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- R(g);::B(D)
- P(h);S_CUTQ(d)::QAB(C),XP(a)
- P(h);S_CUTQ(d)::QAR(C),XP(e)
- Refutation
- P(a);
- Try
- R(E);
- Threat
- B(D)
- Vars
- P(a);OGATE::QAR(C),XP(b)
- Q(d);N_GUARD::QAR(C),XP(e)
- Q(d);N_GUARD::QAB(C),XP(a)
- P(h);S_CUTQ(d)::QAB(C),XP(a)
- P(h);S_CUTQ(d)::QAR(C),XP(e)
- Refutation
- R(g);
- Try
- Actual
- R(E);
- Threat
- DUALS(2)
- Vars
- P(a);OGATE::QAR(C),XP(b)
- R(g);::B(D)
- P(h);S_CUTQ(d)::QAB(C),XP(a)
- P(h);S_CUTQ(d)::QAR(C),XP(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).