MESON Chess Problem Database
Problem Display
PID: 274500 (6K1/4pNPB/2n1pk1P/4p3/8/6N1/3bQ3/7q w - - 0 1)
Barnes, Barry Peter
The Problemist, 2023
#2
7 + 7
SOLUTION
- SOUND
- Sets
- 1...Qg2
- 2.Sh5#
- 1...Qe4
- 2.Sxe4#
- 2.Sh5#
- 1...Qd5
- 2.Sh5#
- 1...Qa1
- 2.Se4#
- 2.Sh5#
- 1...Qb1
- 2.Sh5#
- 1...Qc1
- 2.Se4#
- 2.Sh5#
- 1...Qd1
- 2.Se4#
- 2.Sh5#
- 1...Qe1
- 2.Se4#
- 2.Sh5#
- 1...Qf1
- 2.Se4#
- 2.Sh5#
- 1...Qg1
- 2.Se4#
- 2.Sh5#
- 1...Qh2
- 2.Se4#
- 1...Qh3
- 2.Se4#
- 1...Qh5
- 2.Se4#
- 2.Sxh5#
- 1...Qxh6
- 2.Se4#
- 1...Sb4
- 2.Qxe5#
- 1...Sd4
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sa7
- 2.Qxe5#
- 1...Sb8
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Qg2
- Tries
- 1.Kf8?
- threat
- 2.g8S#
- 1...Qxh6
- 2.Se4#
- 1...Bxh6!
- threat
- 1.Qf1+?
- 1...Qf3
- 2.Se4#
- 2.Sh5#
- 1...Qxf1
- 2.Se4#
- 2.Sh5#
- 1...Bf4!
- 1...Qf3
- 1.Qd3?
- threat
- 2.Qg6#
- 1...Qxh6
- 2.Se4#
- 1...Qe4
- 2.Sxe4#
- 2.Sh5#
- 1...Qb1
- 2.Se4#
- 2.Sh5#
- 1...Qh5
- 2.Se4#
- 2.Sxh5#
- 1...e4!
- threat
- 1.Qf3+?
- 1...Bf4
- 2.Se4#
- 1...Qxf3!
- 1...Bf4
- 1.Qh5?
- threat
- 2.Qg6#
- 1...Qxh5
- 2.Se4#
- 2.Sxh5#
- 1...Qe4
- 2.Sxe4#
- 1...Qb1!
- threat
- 1.Qxd2?
- threat
- 2.Qg5#
- 1...Qxh6
- 2.Se4#
- 2.Qxh6#
- 1...Qc1
- 2.Se4#
- 2.Sh5#
- 1...Qh5
- 2.Se4#
- 2.Sxh5#
- 1...Qh4!
- threat
- 1.Qf2+?
- 1...Qf3
- 2.Se4#
- 2.Sh5#
- 1...Bf4!
- 1...Qf3
- 1.Qg2?
- threat
- 2.Se4#
- 1...Qxg2
- 2.Sh5#
- 1...Qb1
- 2.Sh5#
- 1...Qe1
- 2.Sh5#
- 1...e4
- 2.Sxe4#
- 1...Qh4!
- threat
- 1.Qh2?
- threat
- 2.Sh5#
- 1...Qxh2
- 2.Se4#
- 1...Qd1
- 2.Se4#
- 1...Qf3!
- threat
- 1.Qe4?
- threat
- 2.Qg6#
- 1...Qxe4
- 2.Sxe4#
- 2.Sh5#
- 1...Qb1
- 2.Sh5#
- 1...Qh5
- 2.Sxh5#
- 1...Qxh6!
- threat
- 1.Kf8?
- Keys
- 1.Qg4!
- threat
- 2.Qg6#
- 1...Qxh6
- 2.Se4#
- 1...Qe4
- 2.Sxe4#
- 2.Sh5#
- 1...Qb1
- 2.Sh5#
- 1...Qh5
- 2.Se4#
- 2.Sxh5#
- 1...Bg5
- 2.Qxg5#
- threat
- 1.Qg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- Q(a);N_GUARD::S(B)
- Q(a);N_GUARD,XP(C)::S(B)
- S(d);N_GUARD::QAB1(A),XP(c)
- Tries
- Try
- K(G);P-FLIGHT
- Threat
- P=S
- Vars
- Q(a);N_GUARD,P_PINP(E),XP(C)::S(B)
- Refutation
- B(b);P_PINP(E),XP(C)
- Try
- Q(A);CHECK
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- Q(a);N_GUARD,XP(C)::S(B)
- Refutation
- P(c);
- Try
- Q(A);CHECK
- Vars
- B(b);P_SPINB(b)::S(B)
- Refutation
- Q(a);XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- Q(a);N_GUARD::S(B),XQ(a)
- Refutation
- Q(a);
- Try
- Q(A);XB(b)
- Threat
- QAB1(A)
- Refutation
- Q(a);
- Try
- Q(A);CHECK
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(A);
- Threat
- S(B)
- Vars
- Q(a);N_GUARD,XQ(A)::S(B)
- Q(a);N_GUARD::S(B)
- P(c);::S(B),XP(c)
- Refutation
- Q(a);
- Try
- Q(A);
- Threat
- S(B)
- Vars
- Q(a);N_GUARD,XQ(A)::S(B)
- Q(a);N_GUARD::S(B)
- Refutation
- Q(a);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- Q(a);N_GUARD::S(B)
- Q(a);N_GUARD::S(B),XQ(a)
- Refutation
- Q(a);XP(C)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A)
- Vars
- Q(a);N_GUARD,XP(C)::S(B)
- Q(a);N_GUARD::S(B)
- B(b);N_GUARD::QAB1(A),XB(b)
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).