MESON Chess Problem Database
Problem Display
PID: 23847 (1b6/pKn1pN1b/2R5/3kp2r/2pN2B1/1p3P2/nr3B2/1Q2R2q w - - 0 1)
Buglos, Janos
Scacchi e Scienze Applicate, 1997
#2
9 + 13
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Rxe5#
- 1...Rh3
- 2.Rxe5#
- 1...Rh4
- 2.Rxe5#
- 1...Rf5
- 2.Qe4#
- 1...Rh6
- 2.Rxe5#
- 1...Be4
- 2.Qxe4#
- 1...Bf5
- 2.Rxe5#
- 1...Bg8
- 2.Qe4#
- 1...Sb5
- 2.Be6#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sa8
- 2.Be6#
- 1...Se8
- 2.Be6#
- 1...Rh2
- Tries
- 1.Sc2?
- threat
- 2.Rc5#
- 1...Rf5
- 2.Qd1#
- 1...Bf5
- 2.Rxe5#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...bxc2+!
- threat
- 1.Se2?
- threat
- 2.Rc5#
- 1...Rf5
- 2.Qe4#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Bf5!
- threat
- 1.Sxb3?
- threat
- 2.Rc5#
- 1...Rf5
- 2.Qe4#
- 1...Bf5
- 2.Rxe5#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Rxb3+!
- threat
- 1.Sb5?
- threat
- 2.Rc5#
- 1...Rf5
- 2.Qe4#
- 1...Bf5
- 2.Rxe5#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Rxf2!
- threat
- 1.Se6?
- threat
- 2.Rc5#
- 1...Sxe6
- 2.Bxe6#
- 1...Rf5
- 2.Qe4#
- 1...Bf5
- 2.Rxe5#
- 1...Sa6!
- threat
- 1.Qf5?
- threat
- 2.Rxe5#
- 2.Qd7#
- 1...Qxe1
- 2.Qd7#
- 1...Rxf2
- 2.Qd7#
- 1...Bxf5
- 2.Rxe5#
- 1...Qh2
- 2.Qd7#
- 1...Re2
- 2.Qd7#
- 1...Rh6
- 2.Rxe5#
- 2.Qxe5#
- 1...Sb5
- 2.Qe6#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...e6
- 2.Rxe5#
- 1...Rxf5!
- threat
- 1.Sc2?
- Keys
- 1.Sf5!
- threat
- 2.Sxe7#
- 2.Rxe5#
- 2.Qe4#
- 1...Qxf3
- 2.Sxe7#
- 2.Rxe5#
- 1...Qxe1
- 2.Sxe7#
- 1...Rxb1
- 2.Sxe7#
- 2.Rxe5#
- 1...Rxf2
- 2.Rxe5#
- 2.Qe4#
- 1...Rxf5
- 2.Qe4#
- 1...Bxf5
- 2.Rxe5#
- 1...Qh2
- 2.Sxe7#
- 2.Qe4#
- 1...Qh4
- 2.Rxe5#
- 2.Qe4#
- 1...Rc2
- 2.Sxe7#
- 2.Rxe5#
- 1...Re2
- 2.Sxe7#
- 1...Sc3
- 2.Sxe7#
- 2.Rxe5#
- 1...Sb5
- 2.Sxe7#
- 2.Qe4#
- 1...Sa6
- 2.Sxe7#
- 2.Qe4#
- 1...Se6
- 2.Sxe7#
- 2.Qe4#
- 1...Sa8
- 2.Sxe7#
- 2.Qe4#
- 1...Se8
- 2.Sxe7#
- 2.Qe4#
- 1...e4
- 2.Sxe7#
- 2.Qxe4#
- 1...e6
- 2.Se7#
- 2.Rxe5#
- 2.Rc5#
- 2.Rd6#
- 2.Qe4#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- R(h);N_GUARD::R1(B),XP(g)
- R(h);S_CUTB(l)::QAB1(A)
- B(l);N_GUARD::QAB1(A),XB(l)
- B(l);S_CUTR(h)::R1(B),XP(g)
- B(l);N_GUARD::QAB1(A)
- S(j);N_GUARD::B(F)
- S(j);N_GUARD::B(F),XS(j)
- Tries
- Try
- S(E);
- Threat
- R1(G)
- Vars
- R(h);S_CUTB(l)::QAR(A)
- B(l);S_CUTR(h)::R1(B),XP(g)
- S(j);N_GUARD::B(F)
- S(j);N_GUARD::B(F),XS(j)
- Refutation
- P(d);CHECK,XS(E)
- Try
- S(E);
- Threat
- R1(G)
- Vars
- R(h);S_CUTB(l)::QAB1(A)
- S(j);N_GUARD::B(F)
- S(j);N_GUARD::B(F),XS(j)
- Refutation
- B(l);
- Try
- S(E);P_SPINS(E),XP(d)
- Threat
- R1(G)
- Vars
- R(h);S_CUTB(l)::QAB1(A)
- B(l);S_CUTR(h)::R1(B),XP(g)
- S(j);N_GUARD::B(F)
- S(j);N_GUARD::B(F),XS(j)
- Refutation
- R(c);CHECK,XS(E)
- Try
- S(E);
- Threat
- R1(G)
- Vars
- R(h);S_CUTB(l)::QAB1(A)
- B(l);S_CUTR(h)::R1(B),XP(g)
- S(j);N_GUARD::B(F)
- S(j);N_GUARD::B(F),XS(j)
- Refutation
- R(c);XB(C)
- Try
- S(E);
- Threat
- R1(G)
- Vars
- S(j);OGATE,XS(E)::B(F),XS(j)
- R(h);S_CUTB(l)::QAB1(A)
- B(l);S_CUTR(h)::R1(B),XP(g)
- Refutation
- S(j);
- Try
- Q(A);P_PINP(g)
- Threat
- DUALS(2)
- Vars
- Q(a);XR(B)::QAR2(A)
- R(c);XB(C)::QAR2(A)
- B(l);N_SPINP(g),XQ(A)::R1(B),XP(g)
- Q(a);::QAR2(A)
- R(c);::QAR2(A)
- S(j);N_GUARD::QAB1(A)
- S(j);N_GUARD::QAB1(A),XS(j)
- P(k);::R1(B),XP(g)
- Refutation
- R(h);N_SPINP(g),XQ(A)
- Try
- Actual
- S(E);
- Threat
- DUALS(3)
- Vars
- Q(a);XR(B)::S(E),XP(k)
- R(h);XS(E)::QAB1(A)
- B(l);XS(E)::R1(B),XP(g)
- R(c);::S(E),XP(k)
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).