MESON Chess Problem Database
Problem Display
PID: 169211 (4R3/3K1p2/3p4/1ppk1N2/3P1P2/1Pp4p/3P1B2/3Qb2q w - - 0 1)
Atayants, Grigory Sergeevich
2nd Prize, SuperProblem-10 JT, 2016
#2
9 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Qxf3#
- 1...Qf1
- 2.Qf3#
- 1...Qg1
- 2.Qf3#
- 1...Qh2
- 2.Qf3#
- 1...Bxd2
- 2.Qxh1#
- 1...Bxf2
- 2.Qxh1#
- 1...Qf3
- Tries
- 1.Qe2?
- threat
- 2.Se7#
- 1...cxd4
- 2.Qxb5#
- 1...Qe4
- 2.Qxe4#
- 1...Bxf2!
- threat
- 1.dxc3?
- threat
- 2.Se3#
- 1...Bxf2
- 2.Qxh1#
- 1...cxd4
- 2.Qxd4#
- 1...Qf3
- 2.Qxf3#
- 1...Bd2
- 2.Qxh1#
- 1...Qe4!
- threat
- 1.d3?
- threat
- 2.Se7#
- 1...Bxf2
- 2.Qxh1#
- 1...Qe4
- 2.dxe4#
- 1...cxd4!
- threat
- 1.Qe2?
- Keys
- 1.Qh5!
- threat
- 2.Qxf7#
- 1...cxd4
- 2.Se3#
- 1...Qe4
- 2.Se7#
- 1...f6
- 2.Qf7#
- threat
- 1.Qh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- Q(b);N_GUARD::QAB(A),XQ(b)
- Q(b);N_GUARD::QAB(A)
- B(a);OGATE,XP(B)::QAB(A),XQ(b)
- B(a);OGATE,XB(C)::QAB(A),XQ(b)
- Tries
- Try
- Q(A);
- Threat
- S(G)
- Vars
- P(f);OGATEB,XP(E)::QAR2(A),XP(e)
- Q(b);N_GUARD::QAB1(A),XQ(b)
- Refutation
- B(a);XB(C)
- Try
- P(B);XP(c)
- Threat
- S(G)
- Vars
- B(a);OGATE,XB(C)::QAB(A),XQ(b)
- P(f);OGATE,P_SPINP(f),XP(E)::QAR1(A),XP(f)
- Q(b);N_GUARD::QAB(A),XQ(b)
- B(a);OGATE::QAB(A),XQ(b)
- Refutation
- Q(b);
- Try
- P(B);
- Threat
- S(G)
- Vars
- B(a);OGATE,XB(C)::QAB(A),XQ(b)
- Q(b);OGATE::P(B),XQ(b)
- Refutation
- P(f);XP(E)
- Try
- Actual
- Q(A);
- Threat
- QAB(A),XP(i)
- Vars
- P(f);SBLOCK,XP(E)::QAR(A)+S(G),DCHECK
- Q(b);SBLOCK::QAR(A)+S(G),DCHECK
- P(i);::QAB(A)
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).