MESON Chess Problem Database
Problem Display
PID: 180705 (4N3/4R3/Bp1P1Kp1/nP1k1P2/R1bP4/p2npPrr/2NP3B/2Q5 w - - 0 1)
Guida, Marco
Die Schwalbe, 2018
#2
14 + 10
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Sc7#
- 1...Rg2
- 2.Sc7#
- 1...Rxf3
- 2.Sc7#
- 1...Rg4
- 2.Sc7#
- 1...Rg5
- 2.Sc7#
- 1...Ba2
- 2.Sxe3#
- 1...Bb3
- 2.Sxe3#
- 1...Bxb5
- 2.Sxe3#
- 1...Sxc1
- 2.Re5#
- 1...Se1
- 2.Re5#
- 1...Sb2
- 2.Re5#
- 1...Sf2
- 2.Re5#
- 1...Sb4
- 2.Re5#
- 1...Sf4
- 2.Re5#
- 1...Sc5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sb3
- 2.Bb7#
- 1...Sb7
- 2.Bxb7#
- 1...Rg1
- Tries
- 1.Bxg3?
- threat
- 2.Sc7#
- 1...Bxb5
- 2.Sxe3#
- 1...Sf4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Rxg3!
- threat
- 1.Bb7+?
- 1...Sc6
- 2.Bxc6#
- 1...Sxb7!
- 1...Sc6
- 1.Re4?
- threat
- 2.Sxe3#
- 1...exd2
- 2.Se3#
- 1...e2
- 2.Se3#
- 1...Rxf3!
- threat
- 1.Re6?
- threat
- 2.Sc7#
- 1...Bxb5
- 2.Sxe3#
- 1...Rh7!
- threat
- 1.Rd7?
- threat
- 2.Sc7#
- 1...Bxb5
- 2.Sxe3#
- 1...Rxf3!
- threat
- 1.Qxa3?
- threat
- 2.Sc7#
- 1...Sb4
- 2.Re5#
- 1...Sc5
- 2.Re5#
- 1...Bxb5!
- threat
- 1.Qa1?
- threat
- 2.Sxe3#
- 1...Rxf3
- 2.Sc7#
- 1...exd2
- 2.Se3#
- 1...Sb2
- 2.Re5#
- 1...e2
- 2.Se3#
- 1...Bxb5!
- threat
- 1.d7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Rxf3
- 2.Sc7#
- 2.d8Q#
- 2.d8R#
- 1...Rxh2
- 2.d8Q#
- 2.d8R#
- 1...Bxb5
- 2.Sxe3#
- 1...Sxc1
- 2.Re5#
- 2.d8Q#
- 2.d8R#
- 1...exd2
- 2.d8Q#
- 2.d8R#
- 1...gxf5
- 2.d8Q#
- 2.d8R#
- 1...Rg1
- 2.Sc7#
- 2.d8Q#
- 2.d8R#
- 1...Rg2
- 2.Sc7#
- 2.d8Q#
- 2.d8R#
- 1...Rg4
- 2.Sc7#
- 2.d8Q#
- 2.d8R#
- 1...Rg5
- 2.Sc7#
- 2.d8Q#
- 2.d8R#
- 1...Rh4
- 2.d8Q#
- 2.d8R#
- 1...Rh5
- 2.d8Q#
- 2.d8R#
- 1...Rh6
- 2.d8Q#
- 2.d8R#
- 1...Rh7
- 2.d8Q#
- 2.d8R#
- 1...Rh8
- 2.d8Q#
- 2.d8R#
- 1...Ba2
- 2.Sxe3#
- 2.d8Q#
- 2.d8R#
- 1...Bb3
- 2.Sxe3#
- 2.d8Q#
- 2.d8R#
- 1...Se1
- 2.Re5#
- 2.d8Q#
- 2.d8R#
- 1...Sb2
- 2.Re5#
- 2.d8Q#
- 2.d8R#
- 1...Sf2
- 2.Re5#
- 2.d8Q#
- 2.d8R#
- 1...Sb4
- 2.Re5#
- 2.d8Q#
- 2.d8R#
- 1...Sf4
- 2.Re5#
- 2.d8Q#
- 2.d8R#
- 1...Sc5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sb3
- 2.Bb7#
- 2.d8Q#
- 2.d8R#
- 1...Sb7
- 2.Bxb7#
- 1...a2
- 2.d8Q#
- 2.d8R#
- 1...e2
- 2.d8Q#
- 2.d8R#
- 1...g5
- 2.d8Q#
- 2.d8R#
- 1...Sc6!
- threat
- 1.Bxg3?
- Keys
- 1.Bc8!
- threat
- 2.Be6#
- 1...Rxf3
- 2.Sc7#
- 1...Bxb5
- 2.Sxe3#
- 1...Sf4
- 2.Re5#
- 1...Sc5
- 2.Re5#
- threat
- 1.Bc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 14
- Sets
- R(d);::S(N)
- R(d);P_PINP(I),XP(E)::S(N)
- B(f);::S(B),XP(c)
- B(f);XP(H)::S(B),XP(c)
- S(b);N_GUARD,XQ(A)::R1(M)
- S(b);N_GUARD::R1(M)
- S(b);N_GUARD::R1(M),XS(b)
- S(g);N_GUARD::B(J)
- S(g);N_GUARD::B(J),XS(g)
- Tries
- Try
- B(D);XR(d)
- Threat
- S(N)
- Vars
- B(f);XP(H)::S(B),XP(c)
- S(b);N_GUARD::R1(M)
- S(b);N_GUARD::R1(M),XS(b)
- Refutation
- R(e);XB(D)
- Try
- B(J);CHECK
- Vars
- S(g);N_GUARD,P_SPINS(g)::B(J),XS(g)
- Refutation
- S(g);XB(J)
- Try
- R(M);
- Threat
- S(B),XP(c)
- Vars
- P(c);XP(C)::S(B)
- P(c);::S(B)
- Refutation
- R(d);P_PINP(I),XP(E)
- Try
- R(M);
- Threat
- S(N)
- Vars
- B(f);XP(H)::S(B),XP(c)
- Refutation
- R(e);
- Try
- R(M);
- Threat
- S(N)
- Vars
- B(f);XP(H)::S(B),XP(c)
- Refutation
- R(d);P_PINP(I),XP(E)
- Try
- Q(A);XP(a)
- Threat
- S(N)
- Vars
- S(b);N_GUARD::R1(M)
- Refutation
- B(f);XP(H)
- Try
- Q(A);
- Threat
- S(B),XP(c)
- Vars
- R(d);P_PINP(I),XP(E)::S(N)
- P(c);XP(C)::S(B)
- S(b);N_GUARD::R1(M)
- P(c);::S(B)
- Refutation
- B(f);XP(H)
- Try
- P(K);
- Threat
- P=Q
- Vars
- R(e);XB(D)::P=Q
- B(f);XP(H)::S(B),XP(c)
- P(c);XP(C)::P=Q
- P(j);XP(I)::P=Q
- R(e);::P=Q
- S(b);N_GUARD::R1(M)
- S(b);N_GUARD::R1(M),XS(b)
- S(g);N_GUARD::B(J),XS(g)
- P(a);::P=Q
- P(c);::P=Q
- P(j);::P=Q
- Refutation
- S(g);
- Try
- Actual
- B(J);
- Threat
- B(J)
- Vars
- R(d);P_PINP(I),XP(E)::S(N)
- B(f);XP(H)::S(B),XP(c)
- S(b);N_GUARD::R1(M)
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).