MESON Chess Problem Database
Problem Display
PID: 16153 (7b/2N1QK2/pp6/3B1p2/1B1k3p/8/4P2p/7N w - - 0 1)
Bantysh, Nikolai Ivanovich
StrateGems, 2000
#2
7 + 7
SOLUTION
- SOUND
- Sets
- 1...f4
- 2.Qe4#
- 1...f4
- Tries
- 1.Sf2?
- threat
- 2.e3#
- 1...f4
- 2.Qe4#
- 1...Be5!
- threat
- 1.Sg3?
- threat
- 2.Sxf5#
- 1...f4
- 2.Sf5#
- 2.Qe4#
- 1...hxg3!
- threat
- 1.Sb5+?
- 1...Kxd5
- 2.Qe6#
- 1...axb5!
- 1...Kxd5
- 1.Bd2?
- threat
- 2.Qe3#
- 1...Be5
- 2.Qb4#
- 1...f4!
- threat
- 1.Qxh4+?
- 1...Ke3
- 2.Qf2#
- 1...f4
- 2.Qxf4#
- 1...Ke5!
- 1...Ke3
- 1.Qc5+?
- 1...Ke5
- 2.Qe3#
- 1...bxc5!
- 1...Ke5
- 1.Qd6?
- threat
- 2.Qf4#
- 1...Be5
- 2.Qxb6#
- 1...f4
- 2.Qxf4#
- 1...Ke3!
- threat
- 1.Sf2?
- Keys
- 1.Qg5!
- threat
- 2.Qf4#
- 1...Ke5
- 2.Qe3#
- 1...Be5
- 2.Qd2#
- 1...f4
- 2.Qxf4#
- threat
- 1.Qg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(d);N_GUARD::QAR1(F)
- Tries
- Try
- S(A);
- Threat
- P(B)
- Vars
- P(d);N_GUARD::QAR1(F)
- Refutation
- B(g);
- Try
- S(A);
- Threat
- S(A),XP(d)
- Refutation
- P(c);XS(A)
- Try
- S(E);CHECK
- Vars
- K(b);P-FLIGHT,XB(D)::QAB1(F)
- Refutation
- P(e);XS(E)
- Try
- B(C);
- Threat
- QAB1(F)
- Vars
- B(g);SBLOCK::QAR2(F)
- Refutation
- P(d);
- Try
- Q(F);CHECK,XP(c)
- Vars
- K(b);S_FLIGHT::QAB1(F)
- P(d);P_SPINP(d)::QAR2(F),XP(d)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(F);CHECK
- Vars
- K(b);OGATE,S_FLIGHT::QAR2(F)
- Refutation
- P(f);XQ(F)
- Try
- Q(F);
- Threat
- QAR2(F)
- Vars
- B(g);SBLOCK::QAB(F),XP(f)
- P(d);::QAR2(F),XP(d)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- Q(F);
- Threat
- QAR2(F)
- Vars
- K(b);P_SPINP(d),S_FLIGHT::QAR2(F)
- B(g);SBLOCK::QAR2(F)
- P(d);::QAR2(F),XP(d)
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).