MESON Chess Problem Database
Problem Display
PID: 276358 (4B2q/1r1p1p2/N3p3/pP1kPP2/6N1/3Kn1Qp/1R1bP3/5r2 w - - 0 1)
Juricek, Stanislav
Pat a Mat, 2005
#2
10 + 11
| 15601 | Albrecht-Leiss-Degener Collection | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Qxe5
- 2.Qxe5#
- 1...Qf6
- 2.Sxf6#
- 1...Qh5
- 2.Sf6#
- 1...Qh7
- 2.Sf6#
- 1...Qxe8
- 2.Sf6#
- 1...Qf8
- 2.Sf6#
- 1...Qg8
- 2.Sf6#
- 1...Ra1
- 2.Qf3#
- 1...Rb1
- 2.Qf3#
- 1...Rc1
- 2.Qf3#
- 1...Rd1
- 2.Qf3#
- 1...Re1
- 2.Qf3#
- 1...Rg1
- 2.Qf3#
- 1...Rh1
- 2.Qf3#
- 1...Rf3
- 2.Qxf3#
- 1...Be1
- 2.Sxe3#
- 1...Bc3
- 2.Sxe3#
- 1...Bb4
- 2.Sxe3#
- 1...Sd1
- 2.e4#
- 1...Sc2
- 2.e4#
- 1...Sg2
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sxg4
- 2.e4#
- 1...Sxf5
- 2.e4#
- 1...exf5
- 2.Bxf7#
- 1...d6
- 2.Bc6#
- 1...Qxe5
- Tries
- 1.Qf4?
- threat
- 2.Qd4#
- 2.Qe4#
- 1...Qxe5
- 2.Qxe5#
- 1...Rxb5
- 2.Qe4#
- 1...Sxf5
- 2.Qc4#
- 2.Qe4#
- 2.e4#
- 1...exf5
- 2.Bxf7#
- 1...Bc3
- 2.Sxe3#
- 2.Qe4#
- 1...Sc2
- 2.Qc4#
- 2.Qe4#
- 2.e4#
- 1...Rxf4!
- threat
- 1.Qg2+?
- 1...Rf3
- 2.Qxf3#
- 1...Sxg2
- 2.e4#
- 1...hxg2!
- 1...Rf3
- 1.Qxe3?
- threat
- 2.Qd4#
- 2.Qc5#
- 2.Qe4#
- 1...Qxe5
- 2.Qc5#
- 2.Qxe5#
- 1...Rxb5
- 2.Qe4#
- 1...exf5
- 2.Bxf7#
- 1...Qf8
- 2.Sf6#
- 2.Qd4#
- 2.Qe4#
- 1...Rc1
- 2.Qd4#
- 2.Qf3#
- 2.Qe4#
- 1...Rf3
- 2.Qxf3#
- 1...Rf4
- 2.Qc5#
- 1...Rc7
- 2.Sxc7#
- 2.Qd4#
- 2.Qe4#
- 1...Bc3
- 2.Qc5#
- 2.Qe4#
- 1...Bb4
- 2.Qd4#
- 2.Qe4#
- 1...d6
- 2.Bc6#
- 2.Qd4#
- 2.Qe4#
- 1...Bxe3!
- threat
- 1.Qf4?
- Keys
- 1.Rc2!
- threat
- 2.Rc5#
- 1...Qxe5
- 2.Qxe5#
- 1...Rxb5
- 2.Sc7#
- 1...Sxc2
- 2.e4#
- 1...exf5
- 2.Bxf7#
- 1...Qf8
- 2.Sf6#
- 1...Rc1
- 2.Qf3#
- 1...Rc7
- 2.Sxc7#
- 1...Bc3
- 2.Sxe3#
- 1...Bb4
- 2.Sxe3#
- 1...Sc4
- 2.e4#
- 1...d6
- 2.Bc6#
- threat
- 1.Rc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 17
- Sets
- Q(k);OGATE,XP(G)::QAR1(D),XQ(k)
- Q(k);N_GUARD::S(E),XQ(k)
- Q(k);N_GUARD::S(E)
- Q(k);N_GUARD,P_PINP(H)::S(E)
- Q(k);N_GUARD,XB(J)::S(E)
- R(a);N_GUARD::QAB(D)
- R(a);N_GUARD::QAB(D),XR(a)
- B(b);N_GUARD::S(E),XS(c)
- S(c);OGATE::P(B)
- S(c);OGATE,XS(E)::P(B)
- S(c);OGATE,XP(H)::P(B)
- P(g);OGATEB,XP(H)::B(J),XP(j)
- P(i);OGATE::B(J)
- Tries
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(k);OGATE,XP(G)::QAR1(D),XQ(k)
- R(h);XP(F)::QAB1(D)
- P(g);OGATEB,XP(H)::B(J),XP(j)
- Refutation
- R(a);XQ(D)
- Try
- Q(D);CHECK
- Vars
- R(a);N_GUARD,P_SPINR(a)::QAB(D),XR(a)
- S(c);OGATE,XQ(D)::P(B)
- Refutation
- P(d);XQ(D)
- Try
- Q(D);XS(c)
- Threat
- DUALS(3)
- Vars
- R(h);XP(F)::QAB1(D)
- P(g);OGATEB,XP(H)::B(J),XP(j)
- R(a);N_GUARD,P_PINQ(D)::QAB(D),XR(a)
- R(a);::QAR1(D)
- Refutation
- B(b);XQ(D)
- Try
- Actual
- R(A);
- Threat
- R1(A)
- Vars
- Q(k);OGATE,XP(G)::QAR1(D),XQ(k)
- R(h);N_GUARD,XP(F)::S(I)
- S(c);OGATE,XR(A)::P(B)
- P(g);OGATEB,XP(H)::B(J),XP(j)
- Q(k);N_GUARD::S(E)
- R(a);N_GUARD::QAB(D)
- R(h);N_GUARD::S(I),XR(h)
- B(b);N_GUARD::S(E),XS(c)
- S(c);OGATE::P(B)
- P(i);OGATE::B(J)
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).