MESON Chess Problem Database
Problem Display
PID: 277083 (2N5/1K6/1B2p1R1/1Q1n1k1P/1b1Pp1R1/1q6/1n3r2/7N w - - 0 1)
Garaj, Ivan
Sarkits, Anatoly L
Pat a Mat, 2009
#2
9 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Sg3#
- 1...Qa2
- 2.Sg3#
- 1...Qc2
- 2.Sg3#
- 1...Qa4
- 2.Sg3#
- 1...Qc4
- 2.Sg3#
- 1...Qg3
- 2.Sxg3#
- 1...Rf4
- 2.R4g5#
- 1...Be1
- 2.Sd6#
- 2.Se7#
- 1...Bd2
- 2.Sd6#
- 2.Se7#
- 1...Bc3
- 2.Sg3#
- 2.Sd6#
- 2.Se7#
- 1...Ba5
- 2.Sd6#
- 2.Se7#
- 1...Bd6
- 2.Sxd6#
- 1...Be7
- 2.Sxe7#
- 1...Sd3
- 2.Sg3#
- 1...e3
- 2.Sg3#
- 1...e5
- 2.Qd7#
- 1...Qd1
- Tries
- 1.Bc7?
- threat
- 2.R4g5#
- 1...Qg3
- 2.Sxg3#
- 1...Rg2
- 2.Rf4#
- 1...Bd2
- 2.Sd6#
- 2.Se7#
- 1...Bd6
- 2.Sxd6#
- 1...Be7
- 2.Sxe7#
- 1...e3
- 2.Sg3#
- 1...e5
- 2.Qd7#
- 1...Qe3!
- threat
- 1.Bd8?
- threat
- 2.R6g5#
- 1...Bd2
- 2.Sd6#
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...e5
- 2.Qd7#
- 1...Qe3!
- threat
- 1.Qd3?
- threat
- 2.Sg3#
- 2.Qxe4#
- 1...Sxd3
- 2.Sg3#
- 1...exd3
- 2.Sg3#
- 1...Qc2
- 2.Sg3#
- 1...Re2
- 2.Sg3#
- 1...Rg2
- 2.Qxe4#
- 1...Rf3
- 2.Qxe4#
- 1...Rf4
- 2.Sg3#
- 2.R4g5#
- 1...Bd6
- 2.Sxd6#
- 2.Qxe4#
- 1...Sc3
- 2.Sg3#
- 1...Sf4
- 2.Sg3#
- 2.R4g5#
- 1...Sf6
- 2.Sg3#
- 2.R6g5#
- 1...Qxd3!
- threat
- 1.Qd7?
- threat
- 2.Qxe6#
- 1...Sxb6
- 2.Qf7#
- 1...Sc3
- 2.Sg3#
- 2.Qf7#
- 1...Se3
- 2.Sg3#
- 2.Qf7#
- 1...Sf4
- 2.R4g5#
- 2.Qf7#
- 1...Sf6
- 2.R6g5#
- 1...Sc7
- 2.Qf7#
- 1...Se7!
- threat
- 1.Qe8?
- threat
- 2.Qxe6#
- 1...Sxb6
- 2.Qf7#
- 1...Sc3
- 2.Sg3#
- 2.Qf7#
- 1...Se3
- 2.Sg3#
- 2.Qf7#
- 1...Sf4
- 2.R4g5#
- 2.Qf7#
- 1...Sf6
- 2.R6g5#
- 1...Sc7
- 2.Qf7#
- 1...Se7
- 2.Qf7#
- 2.Qf8#
- 1...e5
- 2.Qd7#
- 2.Qxe5#
- 2.Qe6#
- 1...Be7!
- threat
- 1.Qxb4?
- threat
- 2.Sd6#
- 1...Qxb4
- 2.Sg3#
- 1...Qg3
- 2.Sxg3#
- 1...Sc4!
- threat
- 1.Qc5?
- threat
- 2.Sd6#
- 2.Se7#
- 1...Qg3
- 2.Sxg3#
- 2.Se7#
- 1...Sc4
- 2.Se7#
- 1...e5
- 2.Sd6#
- 1...Bxc5!
- threat
- 1.Bc7?
- Keys
- 1.Qc6!
- threat
- 2.Qxe6#
- 1...Sxb6
- 2.Qxe4#
- 1...Bd6
- 2.Sxd6#
- 1...Sc3
- 2.Sg3#
- 1...Se3
- 2.Sg3#
- 2.Qxe4#
- 1...Sf4
- 2.R4g5#
- 1...Sf6
- 2.R6g5#
- 1...Sc7
- 2.Qxe4#
- 1...Se7
- 2.Qxe4#
- 1...e5
- 2.R6g5#
- 2.Qd7#
- 2.Qe6#
- threat
- 1.Qc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 11
- Sets
- Q(c);N_GUARD::S(A)
- Q(c);N_GUARD::S(A),XQ(c)
- R(b);SBLOCK::R1(C)
- B(d);N_GUARD::S(I),XB(d)
- S(a);S_CUTQ(c)::S(A)
- P(e);S_CUTQ(c)::S(A)
- P(h);N_SPINS(f),OGATEB::QAB(D)
- Tries
- Try
- B(F);
- Threat
- R1(C)
- Vars
- Q(c);N_GUARD::S(A),XQ(c)
- R(b);N_GUARD::R1(C)
- B(d);N_GUARD,P_PINQ(D)::S(I),XB(d)
- P(e);S_CUTQ(c)::S(A)
- P(h);N_SPINS(f),OGATEB::QAB(D)
- Refutation
- Q(c);
- Try
- B(F);
- Threat
- R1(G)
- Vars
- B(d);N_GUARD,P_PINQ(D)::S(I),XB(d)
- P(h);N_SPINS(f),OGATEB::QAB(D)
- Refutation
- Q(c);
- Try
- Q(D);N_PINS(f),P_PINP(e)
- Threat
- DUALS(2)
- Vars
- S(a);N_SPINP(e),XQ(D)::S(A)
- P(e);N_SPINP(e),XQ(D)::S(A)
- Q(c);::S(A)
- R(b);::S(A)
- R(b);::QAB1(D),XP(e)
- S(f);::S(A)
- Refutation
- Q(c);N_SPINP(e),XQ(D)
- Try
- Q(D);N_PINS(f),P_PINP(h)
- Threat
- QAB1(D),XP(h)
- Vars
- S(f);N_GUARD,XB(F)::QAR2(D)
- S(f);SBLOCK::R1(G)
- S(f);N_GUARD::QAR2(D)
- Refutation
- S(f);
- Try
- Q(D);N_PINS(f)
- Threat
- QAB1(D),XP(h)
- Vars
- S(f);N_GUARD,XB(F)::QAR2(D)
- S(f);SBLOCK::R1(G)
- S(f);N_GUARD::QAR2(D)
- Refutation
- B(d);P_PINB(F)
- Try
- Q(D);N_PINS(f),XB(d)
- Threat
- S(I)
- Vars
- Q(c);N_GUARD,P_PINB(F),XQ(D)::S(A)
- Q(c);N_GUARD::S(A),XQ(c)
- Refutation
- S(a);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- S(a);::S(I)
- P(h);N_SPINS(f)::S(I)
- Refutation
- B(d);N_SPINS(f),P_PINB(F),XQ(D)
- Try
- Actual
- Q(D);N_PINS(f)
- Threat
- QAB1(D),XP(h)
- Vars
- S(f);OGATE,XB(F)::QAB1(D),XP(e)
- B(d);N_GUARD,P_PINB(F)::S(I),XB(d)
- S(f);S_CUTQ(c)::S(A)
- S(f);SBLOCK::R1(C)
- S(f);SBLOCK::R1(G)
- S(f);OGATE::QAB1(D),XP(e)
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).