MESON Chess Problem Database
Problem Display
PID: 7832 (3R2n1/2PB1Q2/2p2pq1/4k3/KB1n1r2/1p3pNb/4P3/2NR4 w - - 0 1)
Gvozdjak, Peter
1st HM., Israel Ring Ty., 1994
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Qd3
- 2.Sxd3#
- 1...Qh5
- 2.Sd3#
- 1...Qg4
- 2.Sd3#
- 1...Qg5
- 2.Sd3#
- 1...Qh6
- 2.Sd3#
- 1...Qg7
- 2.Sd3#
- 1...Re4
- 2.Sd3#
- 1...Rf5
- 2.Sd3#
- 1...Sf5
- 2.Qe6#
- 1...f5
- 2.Sd3#
- 1...Qd3
- Tries
- 1.Bxh3?
- threat
- 2.Bd6#
- 1...Qxf7
- 2.Sd3#
- 1...Sxe2
- 2.Qe6#
- 1...Sc2
- 2.Qe6#
- 1...Sb5
- 2.Qe6#
- 1...Sf5
- 2.Sd3#
- 1...Se6
- 2.Qxe6#
- 1...c5
- 2.Rd5#
- 2.Qd5#
- 1...f5
- 2.Sd3#
- 1...Qxg3!
- threat
- 1.Bf5?
- threat
- 2.Sd3#
- 2.Bd6#
- 1...Qxf5
- 2.Bd6#
- 1...Qxf7
- 2.Sd3#
- 1...Bxf5
- 2.Bd6#
- 1...Sxe2
- 2.Sd3#
- 2.Qe6#
- 1...Sxf5
- 2.Sd3#
- 1...Sc2
- 2.Sd3#
- 2.Qe6#
- 1...Sb5
- 2.Sd3#
- 2.Qe6#
- 1...Se6
- 2.Sd3#
- 2.Qxe6#
- 1...c5
- 2.Sd3#
- 2.Rd5#
- 2.Qd5#
- 1...Qxg3!
- threat
- 1.Bxc6?
- threat
- 2.Bd6#
- 2.Rd5#
- 2.Qd5#
- 1...Qxg3
- 2.Qd5#
- 1...Sxe2
- 2.R1d5#
- 2.R8d5#
- 2.Qd5#
- 1...Sxc6
- 2.R1d5#
- 2.R8d5#
- 2.Qd5#
- 1...Re4
- 2.Sd3#
- 2.Bd6#
- 1...Rg4
- 2.Bd6#
- 1...Rh4
- 2.Bd6#
- 1...Rf5
- 2.Sd3#
- 2.Bd6#
- 1...Qe4
- 2.Bd6#
- 1...Be6
- 2.Bd6#
- 1...Bd7
- 2.Qd5#
- 1...Sc2
- 2.R1d5#
- 2.R8d5#
- 2.Qd5#
- 1...Sb5
- 2.R1d5#
- 2.R8d5#
- 2.Qd5#
- 1...Sf5
- 2.Sd3#
- 2.R1d5#
- 2.R8d5#
- 2.Qd5#
- 1...Se6
- 2.R1d5#
- 2.R8d5#
- 1...Se7
- 2.Bd6#
- 1...f5
- 2.Sd3#
- 2.Rd5#
- 1...Qxf7!
- threat
- 1.Qe7+?
- 1...Kd5
- 2.Qc5#
- 1...Be6
- 2.Qd6#
- 1...Se6
- 2.Qd6#
- 1...Sxe7!
- 1...Kd5
- 1.Bxh3?
- Keys
- 1.Bg4!
- threat
- 2.Bd6#
- 1...Qxf7
- 2.Sd3#
- 1...Sxe2
- 2.Qe6#
- 1...Sc2
- 2.Qe6#
- 1...Sb5
- 2.Qe6#
- 1...Sf5
- 2.Sd3#
- 1...Se6
- 2.Qxe6#
- 1...c5
- 2.Rd5#
- 2.Qd5#
- 1...f5
- 2.Sd3#
- threat
- 1.Bg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 8
- Sets
- Q(i);N_GUARD::S(A),XQ(i)
- Q(i);N_GUARD::S(A)
- R(e);S_CUTQ(i)::S(A)
- S(d);N_GUARD,P_PINB(F),S_CUTB(c)::QAR1(I)
- P(h);S_CUTQ(i)::S(A)
- Tries
- Try
- B(H);XB(c)
- Threat
- B(F)
- Vars
- Q(i);N_GUARD,XQ(I)::S(A)
- S(d);N_GUARD,P_PINB(F),XP(C)::QAR1(I)
- S(d);N_GUARD,P_PINB(F)::QAR1(I)
- S(d);P_PINB(F),S_CUTQ(i)::S(A)
- S(d);N_GUARD,P_PINB(F)::QAR1(I),XS(d)
- P(h);S_CUTQ(i)::S(A)
- Refutation
- Q(i);XS(D)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- Q(i);XB(H)::B(F)
- Q(i);XQ(I)::S(A)
- B(c);XB(H)::B(F)
- S(d);P_PINB(F),XB(H)::S(A)
- Refutation
- Q(i);XS(D)
- Try
- B(H);XP(g)
- Threat
- DUALS(3)
- Vars
- Q(i);XS(D)::QAR1(I)
- R(e);::B(F)
- Q(i);::B(F)
- B(c);::B(F)
- B(c);P_PINB(H)::QAR1(I)
- S(j);::B(F)
- Refutation
- Q(i);XQ(I)
- Try
- Q(I);CHECK
- Vars
- K(f);P-FLIGHT,P_SPINS(d)::QAR1(I)
- B(c);P_SPINB(c)::QAB1(I)
- S(d);P_PINB(F),P_SPINS(d)::QAB1(I)
- Refutation
- S(j);XQ(I)
- Try
- Actual
- B(H);
- Threat
- B(F)
- Vars
- Q(i);N_GUARD,XQ(I)::S(A)
- S(d);N_GUARD,P_PINB(F),XP(C)::QAR1(I)
- S(d);N_GUARD,P_PINB(F)::QAR1(I)
- S(d);P_PINB(F),S_CUTQ(i)::S(A)
- S(d);N_GUARD,P_PINB(F)::QAR1(I),XS(d)
- P(h);S_CUTQ(i)::S(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).