MESON Chess Problem Database
Problem Display
PID: 6278 (K7/pp1N4/q4p2/n1NP3B/3RPk1B/1p2p3/1Qp5/8 w - - 0 1)
Bernard, Henry D'Oyly
1st Prize & Sp. Prize, Grantham Journal, 1928-1929
#2
9 + 9
| 268 | Chess Life | 1960 |
| 3147 | Chess Problems: Introduction to an Art | 1963 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Se6#
- 1...Qe2
- 2.Se6#
- 1...Qd3
- 2.Sxd3#
- 2.Se6#
- 1...Qc4
- 2.Se6#
- 1...Qb5
- 2.Se6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 2.Sxe6#
- 1...Sc4
- 2.Sd3#
- 1...Sc6
- 2.Se6#
- 1...c1Q
- 2.Qh2#
- 1...c1S
- 2.Qh2#
- 1...c1B
- 2.Qh2#
- 1...c1R
- 2.Qh2#
- 1...e2
- 2.Qc1#
- 1...f5
- 2.e5#
- 1...b5
- 2.Sd3#
- 1...b6
- 2.Se6#
- 1...Qf1
- Tries
- 1.Ra4?
- 1...e2
- 2.Qc1#
- 1...c1Q
- 2.Qh2#
- 1...c1S
- 2.Qh2#
- 1...c1B
- 2.Qh2#
- 1...c1R
- 2.Qh2#
- 1...Qf1
- 2.Se6#
- 2.Qxf6#
- 1...Qe2
- 2.Se6#
- 2.Qxf6#
- 1...Qd3
- 2.Sxd3#
- 2.Se6#
- 2.Qxf6#
- 1...Qc4
- 2.Qxf6#
- 1...Qb5
- 2.Se6#
- 2.Qxf6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 2.Sxe6#
- 1...Sc6
- 2.Se6#
- 2.Qxf6#
- 1...f5
- 2.Qe5#
- 1...b5
- 2.Sd3#
- 1...b6
- 2.Se6#
- 2.Qxf6#
- 1...Sc4!
- 1...e2
- 1.Rb4?
- 1...e2
- 2.Qc1#
- 1...c1Q
- 2.Qh2#
- 1...c1S
- 2.Qh2#
- 1...c1B
- 2.Qh2#
- 1...c1R
- 2.Qh2#
- 1...Qf1
- 2.Se6#
- 2.Qxf6#
- 1...Qe2
- 2.Se6#
- 2.Qxf6#
- 1...Qd3
- 2.Sxd3#
- 2.Se6#
- 2.Qxf6#
- 1...Qc4
- 2.Qxf6#
- 1...Qb5
- 2.Se6#
- 2.Qxf6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 2.Sxe6#
- 1...Sc6
- 2.Se6#
- 2.Qxf6#
- 1...f5
- 2.Qe5#
- 1...b5
- 2.Sd3#
- 1...b6
- 2.Se6#
- 2.Qxf6#
- 1...Sc4!
- 1...e2
- 1.Rc4?
- threat
- 2.Sd3#
- 1...Qxc4
- 2.Qxf6#
- 1...e2
- 2.Qc1#
- 1...c1S
- 2.Qh2#
- 1...Sxc4!
- threat
- 1.Qc1?
- 1...Qf1
- 2.Se6#
- 2.Qxf1#
- 1...Qe2
- 2.Se6#
- 1...Qd3
- 2.Sxd3#
- 2.Se6#
- 1...Qc4
- 2.Se6#
- 1...Qb5
- 2.Se6#
- 1...Qb6
- 2.Sd3#
- 2.Qf1#
- 1...Qc6
- 2.Sd3#
- 2.Qf1#
- 1...Qd6
- 2.Sd3#
- 2.Qf1#
- 1...Qe6
- 2.Sd3#
- 2.Sxe6#
- 2.Qf1#
- 1...Sc4
- 2.Sd3#
- 2.Qf1#
- 1...Sc6
- 2.Se6#
- 1...f5
- 2.e5#
- 1...b5
- 2.Sd3#
- 2.Qf1#
- 1...b6
- 2.Se6#
- 1...b2!
- 1...Qf1
- 1.Qxc2?
- threat
- 2.Qh2#
- 2.e5#
- 1...e2
- 2.Qc1#
- 2.Qd2#
- 1...Qe2
- 2.Se6#
- 2.e5#
- 1...Qd3
- 2.Sxd3#
- 2.Se6#
- 2.Qh2#
- 1...Qc4
- 2.Se6#
- 2.Qh2#
- 1...Sc6
- 2.Se6#
- 2.Qh2#
- 1...bxc2!
- threat
- 1.d6?
- threat
- 2.Se6#
- 1...Qxd6
- 2.Sd3#
- 1...e2
- 2.Qc1#
- 1...Qc4!
- threat
- 1.Ra4?
- Keys
- 1.Rd1!
- 1...cxd1Q
- 2.Qh2#
- 1...cxd1S
- 2.Qh2#
- 1...cxd1B
- 2.Qh2#
- 1...cxd1R
- 2.Qh2#
- 1...e2
- 2.Qc1#
- 1...c1Q
- 2.Qh2#
- 1...c1S
- 2.Qh2#
- 1...c1B
- 2.Qh2#
- 1...c1R
- 2.Qh2#
- 1...Qf1
- 2.Rxf1#
- 2.Qxf6#
- 1...Qe2
- 2.Qxf6#
- 1...Qd3
- 2.Qxf6#
- 1...Qc4
- 2.Qxf6#
- 1...Qb5
- 2.Qxf6#
- 1...Qb6
- 2.Rf1#
- 1...Qc6
- 2.Rf1#
- 1...Qd6
- 2.Rf1#
- 1...Qe6
- 2.Rf1#
- 1...Sc4
- 2.Rf1#
- 1...Sc6
- 2.Qxf6#
- 1...f5
- 2.Qe5#
- 1...b5
- 2.Rf1#
- 1...b6
- 2.Qxf6#
- 1...cxd1Q
- 1.Rd1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 11
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- Q(f);N_GUARD::S(E)
- S(e);S_CUTQ(f)::S(E)
- P(a);OGATE::QAB(A)
- P(c);OGATEB::QAB(A)
- P(g);SBLOCK::R(B)+P(C)
- P(i);S_CUTQ(f)::S(E)
- Tries
- Try
- R(B);
- Vars
- P(c);OGATEB::QAB(A)
- P(a);OGATE::QAB(A)
- Q(f);N_GUARD::QAR2(A),XP(g)
- Q(f);N_GUARD::S(E)
- P(g);N_GUARD::QAB1(A)
- P(i);S_CUTQ(f)::S(E)
- Refutation
- S(e);
- Try
- R(B);
- Vars
- P(c);OGATEB::QAB(A)
- P(a);OGATE::QAB(A)
- Q(f);N_GUARD::QAR2(A),XP(g)
- Q(f);N_GUARD::S(E)
- P(g);N_GUARD::QAB1(A)
- P(i);S_CUTQ(f)::S(E)
- Refutation
- S(e);
- Try
- R(B);
- Threat
- S(E)
- Vars
- Q(f);N_GUARD,XR(B)::QAR2(A),XP(g)
- P(c);OGATEB::QAB(A)
- P(a);OGATE::QAB(A)
- Refutation
- S(e);XR(B)
- Try
- Q(A);P_PINP(c)
- Vars
- Q(f);N_GUARD::S(E)
- S(e);S_CUTQ(f)::S(E)
- P(g);SBLOCK::R(B)+P(C)
- P(i);S_CUTQ(f)::S(E)
- Refutation
- P(b);
- Try
- Q(A);XP(a)
- Threat
- DUALS(2)
- Refutation
- P(b);XQ(A)
- Try
- P(F);
- Threat
- S(E)
- Vars
- Q(f);N_GUARD,XP(F)::S(E)
- P(c);OGATEB::QAB(A)
- Refutation
- Q(f);
- Try
- Actual
- R(B);
- Vars
- P(a);OGATE,XR(B)::QAB(A)
- P(c);OGATEB::QAB(A)
- P(a);OGATE::QAB(A)
- Q(f);N_GUARD::QAR2(A),XP(g)
- Q(f);N_GUARD::R(B)
- S(e);S_CUTQ(f)::R(B)
- S(e);S_CUTQ(f)::QAR2(A),XP(g)
- P(g);N_GUARD::QAB1(A)
- P(i);S_CUTQ(f)::R(B)
- P(i);S_CUTQ(f)::QAR2(A),XP(g)
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).