MESON Chess Problem Database
Problem Display
PID: 72838 (8/8/1KQPPp2/2N1qP2/1ppk1P1N/5B1p/2PP3P/4n3 w - - 0 1)
Armeni, Alberto
Problemesis, 2002
#2
12 + 7
SOLUTION
- SOUND
- Sets
- 1...Qxf4
- 2.Qd5#
- 1...Qxd6
- 2.Qxd6#
- 1...Qe2
- 2.Qd5#
- 1...Qe3
- 2.Qd5#
- 1...Qe4
- 2.Qxe4#
- 1...Qxc5+
- 2.Qxc5#
- 1...Qd5
- 2.Qxd5#
- 1...Qxf5
- 2.Sxf5#
- 1...Qxe6
- 2.Sxe6#
- 1...Sxf3
- 2.Sxf3#
- 1...b3
- 2.c3#
- 1...c3
- 2.Sb3#
- 1...Qxf4
- Tries
- 1.Bg2?
- 1...Qxc5+
- 2.Qxc5#
- 1...Qxf4
- 2.Qd5#
- 1...Qxd6
- 2.Qxd6#
- 1...Qxf5
- 2.Sxf5#
- 1...Qxe6
- 2.Sxe6#
- 1...Sxc2
- 2.Sf3#
- 1...Sxg2
- 2.Sf3#
- 1...c3
- 2.Sb3#
- 1...Qe4
- 2.Qxe4#
- 1...Qe2
- 2.Qd5#
- 1...Qe3
- 2.Qd5#
- 1...Qd5
- 2.Qxd5#
- 1...Sd3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...b3
- 2.c3#
- 1...hxg2!
- 1...Qxc5+
- 1.Be4?
- 1...Qxf4
- 2.Qd5#
- 1...Qxd6
- 2.Qxd6#
- 1...Qxe4
- 2.Qxe4#
- 1...Qxf5
- 2.Sxf5#
- 1...Qxe6
- 2.Sxe6#
- 1...Sxc2
- 2.Sf3#
- 1...c3
- 2.Sb3#
- 1...Qd5
- 2.Qxd5#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...b3
- 2.c3#
- 1...Qxc5+!
- 1...Qxf4
- 1.fxe5?
- threat
- 2.Qe4#
- 2.Qd5#
- 1...Sxf3
- 2.Sxf3#
- 2.Qe4#
- 1...Kxe5!
- threat
- 1.Bg2?
- Keys
- 1.Bh1!
- 1...Qxc5+
- 2.Qxc5#
- 1...Qxf4
- 2.Qd5#
- 1...Qxd6
- 2.Qxd6#
- 1...Qxf5
- 2.Sxf5#
- 1...Qxe6
- 2.Sxe6#
- 1...Sxc2
- 2.Sf3#
- 1...c3
- 2.Sb3#
- 1...Qe4
- 2.Qxe4#
- 1...Qe2
- 2.Qd5#
- 1...Qe3
- 2.Qd5#
- 1...Qd5
- 2.Qxd5#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...b3
- 2.c3#
- 1...Qxc5+
- 1.Bh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(f);N_GUARD,XP(E)::QAR1(J)
- Q(f);OGATE,P_PINQ(J),XP(K)::QAR2(J),XQ(f)
- Q(f);N_GUARD::QAR1(J)
- Q(f);N_GUARD::QAR1(J),XQ(f)
- Q(f);CHECK,OGATE,XS(G)::QAB1(J),XQ(f)
- Q(f);XP(H)::S(F),XQ(f)
- Q(f);XP(L)::S(G),XQ(f)
- S(a);XB(D)::S(F),XS(a)
- P(c);N_GUARD::P(A)
- P(d);N_GUARD::S(G)
- Tries
- Try
- B(D);
- Vars
- Q(f);CHECK,OGATE,XS(G)::QAB1(J),XQ(f)
- Q(f);N_GUARD,XP(E)::QAR1(J)
- Q(f);OGATE,P_PINQ(J),XP(K)::QAR2(J),XQ(f)
- Q(f);XP(H)::S(F),XQ(f)
- Q(f);XP(L)::S(G),XQ(f)
- S(a);N_GUARD,XP(A)::S(F)
- S(a);N_GUARD,XB(D)::S(F)
- P(d);N_GUARD::S(G)
- Q(f);N_GUARD::QAR1(J),XQ(f)
- Q(f);N_GUARD::QAR1(J)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(c);N_GUARD::P(A)
- Refutation
- P(b);XB(D)
- Try
- B(D);
- Vars
- Q(f);N_GUARD,XP(E)::QAR1(J)
- Q(f);OGATE,P_PINQ(J),XP(K)::QAR2(J),XQ(f)
- Q(f);OGATE,XB(D)::QAR1(J),XQ(f)
- Q(f);XP(H)::S(F),XQ(f)
- Q(f);XP(L)::S(G),XQ(f)
- S(a);N_GUARD,XP(A)::S(F)
- P(d);N_GUARD::S(G)
- Q(f);N_GUARD::QAR1(J),XQ(f)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(c);N_GUARD::P(A)
- Refutation
- Q(f);CHECK,XS(G)
- Try
- P(E);XQ(f)
- Threat
- DUALS(2)
- Refutation
- K(e);S_FLIGHT,XP(E)
- Try
- Actual
- B(D);
- Vars
- Q(f);CHECK,OGATE,XS(G)::QAB1(J),XQ(f)
- Q(f);N_GUARD,XP(E)::QAR1(J)
- Q(f);OGATE,P_PINQ(J),XP(K)::QAR2(J),XQ(f)
- Q(f);XP(H)::S(F),XQ(f)
- Q(f);XP(L)::S(G),XQ(f)
- S(a);N_GUARD,XP(A)::S(F)
- P(d);N_GUARD::S(G)
- Q(f);N_GUARD::QAR1(J),XQ(f)
- Q(f);N_GUARD::QAR1(J)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(c);N_GUARD::P(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).