MESON Chess Problem Database
Problem Display
PID: 255666 (4b3/KQ6/3p2r1/4p1q1/PBkPN3/R2p3r/2Np4/3n1B2 w - - 0 1)
Ersek, Tibor
idee & form, 2019
#2
9 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qh4
- 2.Sxd2#
- 1...Qf6
- 2.Sxd2#
- 1...Qe7
- 2.Sxd2#
- 1...Qd8
- 2.Sxd2#
- 1...Qg1
- 2.Sxd2#
- 1...Qg3
- 2.Sxd2#
- 1...Qg4
- 2.Sxd2#
- 1...Qf5
- 2.Sxd2#
- 1...Qh5
- 2.Sxd2#
- 1...Rh1
- 2.Bxd3#
- 1...Rh2
- 2.Bxd3#
- 1...Re3
- 2.Sxd2#
- 1...Rh4
- 2.Bxd3#
- 1...Rh5
- 2.Bxd3#
- 1...Rhh6
- 2.Bxd3#
- 1...Rh7
- 2.Bxd3#
- 1...Rh8
- 2.Bxd3#
- 1...Rg7
- 2.Sxd6#
- 1...Rg8
- 2.Sxd6#
- 1...Bb5
- 2.Qxb5#
- 1...Bc6
- 2.Qxc6#
- 1...Bf7
- 2.Qc6#
- 2.Qb5#
- 1...Sb2
- 2.Rc3#
- 1...Sf2
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...Se3
- 2.Sxd2#
- 2.Bxd3#
- 2.Rc3#
- 1...Qh4
- Tries
- 1.Bxd2?
- threat
- 2.Qb3#
- 1...Bxa4
- 2.Rxa4#
- 1...Rh7
- 2.Bxd3#
- 1...Rg7
- 2.Sxd6#
- 1...Bb5
- 2.Qxb5#
- 1...Qe7!
- threat
- 1.Bc3?
- threat
- 2.Qb3#
- 1...Bxa4
- 2.Rxa4#
- 1...Qe7
- 2.Sxd2#
- 1...Rg7
- 2.Sxd6#
- 1...Bb5
- 2.Qxb5#
- 1...Rh7!
- threat
- 1.Bc5?
- threat
- 2.Qb3#
- 1...Bxa4
- 2.Rxa4#
- 1...Qe7
- 2.Sxd2#
- 1...Rh7
- 2.Bxd3#
- 1...Rg7
- 2.Sxd6#
- 1...Bb5!
- threat
- 1.Bxd6?
- threat
- 2.Qb3#
- 1...Bxa4
- 2.Rxa4#
- 1...Qe7
- 2.Sxd2#
- 1...Rh7
- 2.Bxd3#
- 1...Bb5
- 2.Qxb5#
- 1...Rg7!
- threat
- 1.Rxd3?
- threat
- 2.Sa3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rxh3#
- 1...exd4
- 2.Sa3#
- 2.Rc3#
- 1...Bc6
- 2.Qxc6#
- 1...Sc3
- 2.Rxc3#
- 1...Qe3
- 2.Sa3#
- 2.Rc3#
- 2.Rxe3#
- 1...Qf4
- 2.Sa3#
- 2.Rc3#
- 2.Rf3#
- 1...Qf6
- 2.Sa3#
- 2.Sxd2#
- 2.Rc3#
- 2.Rf3#
- 1...Qg1
- 2.Sa3#
- 2.Sxd2#
- 2.Rc3#
- 1...Qg2
- 2.Sa3#
- 2.Rc3#
- 1...Qg3
- 2.Sa3#
- 2.Sxd2#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rxg3#
- 1...Qg4
- 2.Sa3#
- 2.Sxd2#
- 2.Rc3#
- 2.Rf3#
- 1...Qf5
- 2.Sa3#
- 2.Sxd2#
- 2.Rc3#
- 2.Rf3#
- 1...Qh5
- 2.Sa3#
- 2.Sxd2#
- 2.Rc3#
- 2.Rf3#
- 1...Rh1
- 2.Sa3#
- 2.Rc3#
- 1...Rh2
- 2.Sa3#
- 2.Rc3#
- 1...Re3
- 2.Sa3#
- 2.Sxd2#
- 2.Rc3#
- 2.Rxe3#
- 1...Rf3
- 2.Sa3#
- 2.Rc3#
- 2.Rxf3#
- 1...Rg3
- 2.Sa3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rxg3#
- 1...Rh4
- 2.Sa3#
- 2.Ra3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Rh5
- 2.Sa3#
- 2.Ra3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Rhh6
- 2.Sa3#
- 2.Ra3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Rh7
- 2.Sa3#
- 2.Ra3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Rh8
- 2.Sa3#
- 2.Ra3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Rf6
- 2.Sa3#
- 2.Rc3#
- 2.Rf3#
- 1...Bb5
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rxh3#
- 2.Qxb5#
- 1...Sb2
- 2.Sa3#
- 2.Rc3#
- 1...Sf2
- 2.Sa3#
- 2.Rc3#
- 1...Se3
- 2.Sa3#
- 2.Sxd2#
- 2.Rc3#
- 2.Rxe3#
- 1...Rxd3!
- threat
- 1.Qa6+?
- 1...Bb5
- 2.Qxb5#
- 1...Kd5!
- 1...Bb5
- 1.Qc8+?
- 1...Bc6
- 2.Qxc6#
- 1...Kd5!
- 1...Bc6
- 1.Qc7+?
- 1...Bc6
- 2.Qxc6#
- 1...Kd5!
- 1...Bc6
- 1.Bxd2?
- Keys
- 1.Ba5!
- threat
- 2.Qb3#
- 1...Bxa4
- 2.Rxa4#
- 1...Qe7
- 2.Sxd2#
- 1...Rh7
- 2.Bxd3#
- 1...Rg7
- 2.Sxd6#
- 1...Bb5
- 2.Qxb5#
- threat
- 1.Ba5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 20
- Sets
- Q(g);N_GUARD::S(G),XP(b)
- Q(g);N_GUARD,P_PINQ(I)::S(G),XP(b)
- Q(g);N_GUARD,P_PINP(F)::S(G),XP(b)
- R(d);N_GUARD::B(A),XP(c)
- R(d);S_CUTQ(g)::S(G),XP(b)
- R(d);N_GUARD,P_PINQ(I)::B(A),XP(c)
- R(i);N_GUARD,P_PINQ(I)::S(G),XP(h)
- R(i);N_GUARD::S(G),XP(h)
- B(j);N_GUARD::QAB1(I),XB(j)
- B(j);N_GUARD::QAR2(I),XB(j)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- Tries
- Try
- B(E);XP(b)
- Threat
- QAB1(I)
- Vars
- B(j);OGATE,XP(D)::R(C),XB(j)
- R(d);N_GUARD,P_PINQ(I)::B(A),XP(c)
- R(i);N_GUARD,P_PINQ(I)::S(G),XP(h)
- B(j);N_GUARD::QAB1(I),XB(j)
- Refutation
- Q(g);P_PINQ(I)
- Try
- B(E);
- Threat
- QAB1(I)
- Vars
- B(j);OGATE,XP(D)::R(C),XB(j)
- Q(g);N_GUARD,P_PINQ(I)::S(G),XP(b)
- R(i);N_GUARD,P_PINQ(I)::S(G),XP(h)
- B(j);N_GUARD::QAB1(I),XB(j)
- Refutation
- R(d);P_PINQ(I)
- Try
- B(E);
- Threat
- QAB1(I)
- Vars
- B(j);OGATE,XP(D)::R(C),XB(j)
- Q(g);N_GUARD,P_PINQ(I)::S(G),XP(b)
- R(d);N_GUARD,P_PINQ(I)::B(A),XP(c)
- R(i);N_GUARD,P_PINQ(I)::S(G),XP(h)
- Refutation
- B(j);
- Try
- B(E);XP(h)
- Threat
- QAB1(I)
- Vars
- B(j);OGATE,XP(D)::R(C),XB(j)
- Q(g);N_GUARD,P_PINQ(I)::S(G),XP(b)
- R(d);N_GUARD,P_PINQ(I)::B(A),XP(c)
- B(j);N_GUARD::QAB1(I),XB(j)
- Refutation
- R(i);P_PINQ(I)
- Try
- R(C);XP(c)
- Threat
- DUALS(6)
- Vars
- B(j);N_GUARD::QAR2(I),XB(j)
- S(a);::B(A)+R(C),DCHECK,XS(a)
- Refutation
- R(d);P_SPINR(d),XR(C)
- Try
- Q(I);CHECK
- Vars
- B(j);N_GUARD,P_SPINB(j)::QAB1(I),XB(j)
- Refutation
- K(e);N_SPINP(c),S_FLIGHT
- Try
- Q(I);CHECK
- Vars
- B(j);N_GUARD,P_SPINB(j)::QAR2(I),XB(j)
- Refutation
- K(e);N_SPINP(c),S_FLIGHT
- Try
- Q(I);CHECK
- Vars
- B(j);N_GUARD,P_SPINB(j)::QAR2(I),XB(j)
- Refutation
- K(e);N_SPINP(c),S_FLIGHT
- Try
- Actual
- B(E);
- Threat
- QAB1(I)
- Vars
- B(j);OGATE,XP(D)::R(C),XB(j)
- Q(g);N_GUARD,P_PINQ(I)::S(G),XP(b)
- R(d);N_GUARD,P_PINQ(I)::B(A),XP(c)
- R(i);N_GUARD,P_PINQ(I)::S(G),XP(h)
- B(j);N_GUARD::QAB1(I),XB(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).