MESON Chess Problem Database
Problem Display
PID: 200544 (4B2B/1p5p/1K1p2bP/1p1k1n2/1P6/8/1N2N1P1/2Q5 w - - 0 1)
Agostini, Valerio
Brunori, Gabriele
StrateGems, 2019
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Sc3#
- 1...Ke4
- Tries
- 1.Bd7?
- threat
- 2.Sc3#
- 1...Ke4
- 2.Sc3#
- 1...Sg7!
- threat
- 1.Bf7+?
- 1...Ke4
- 2.Sc3#
- 2.Qf4#
- 1...Bxf7!
- 1...Ke4
- 1.Qb1?
- threat
- 2.Sf4#
- 1...Ke6
- 2.Qe4#
- 1...Sg7!
- threat
- 1.Qc2?
- threat
- 2.Sf4#
- 1...Ke6
- 2.Qe4#
- 1...Sg7!
- threat
- 1.Qc6+?
- 1...Ke6
- 2.Qe4#
- 1...bxc6!
- 1...Ke6
- 1.Qc8?
- threat
- 2.Sc3#
- 1...Ke4
- 2.Qe6#
- 1...Sg7!
- threat
- 1.Bd7?
- Keys
- 1.Qg5!
- 1...Ke4
- 2.Sc3#
- 1...Ke6
- 2.Sf4#
- 1...Bxe8
- 2.Qxf5#
- 1...Bh5
- 2.Qxf5#
- 1...Bf7
- 2.Qxf5#
- 1...Ke4
- 1.Qg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT::S(C)
- Tries
- Try
- B(H);
- Threat
- S(C)
- Vars
- K(b);S_FLIGHT::S(C)
- Refutation
- S(c);
- Try
- B(H);CHECK
- Refutation
- B(e);XB(H)
- Try
- Q(A);
- Threat
- S(C)
- Vars
- K(b);S_FLIGHT::QAR2(A)
- Refutation
- S(c);
- Try
- Q(A);
- Threat
- S(C)
- Vars
- K(b);S_FLIGHT::QAR2(A)
- Refutation
- S(c);
- Try
- Q(A);CHECK
- Vars
- K(b);OGATE,P_SPINP(d),S_FLIGHT::QAR2(A)
- Refutation
- P(f);XQ(A)
- Try
- Q(A);
- Threat
- S(C)
- Vars
- K(b);S_FLIGHT::QAR2(A)
- Refutation
- S(c);
- Try
- Actual
- Q(A);P_PINS(c)
- Vars
- K(b);N_SPINS(c),S_FLIGHT::S(C)
- B(e);N_GUARD,XB(H)::QAR2(A),XS(c)
- B(e);N_GUARD::QAR2(A),XS(c)
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).