MESON Chess Problem Database
Problem Display
PID: 82324 (2N1Rbq1/1b1Q2r1/rp2n3/5pP1/2BPkBn1/4pRK1/2N5/8 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Boletim da UBP, 1990
#2
10 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxg5
- 2.Qxb7#
- 1...Rg6
- 2.Qxb7#
- 1...Re7
- 2.Sd6#
- 1...Bd5
- 2.Qxd5#
- 1...Bc6
- 2.Qxc6#
- 1...Bxc8
- 2.Qc6#
- 2.Qd5#
- 1...Bd6
- 2.Sxd6#
- 1...Be7
- 2.Qxb7#
- 1...Sf2
- 2.Rxe3#
- 1...Sh2
- 2.Rxe3#
- 1...Se5
- 2.Rxe3#
- 1...Sf6
- 2.Rxe3#
- 1...Sh6
- 2.Rxe3#
- 1...e2
- 2.Bd3#
- 1...Rxg5
- Tries
- 1.Bxe3?
- threat
- 2.Rf4#
- 1...Bd6+
- 2.Sxd6#
- 1...f4+
- 2.Rxf4#
- 1...Re7
- 2.Sd6#
- 1...Be7
- 2.Qxb7#
- 1...Se5!
- threat
- 1.Bd6?
- threat
- 2.Rf4#
- 1...Bxd6+
- 2.Sxd6#
- 1...f4+
- 2.Rxf4#
- 1...Be7
- 2.Qxb7#
- 1...Se5
- 2.Rxe3#
- 1...Re7!
- threat
- 1.Bc7?
- threat
- 2.Rf4#
- 1...Bd6+
- 2.Sxd6#
- 1...f4+
- 2.Rxf4#
- 1...Re7
- 2.Sd6#
- 1...Se5
- 2.Rxe3#
- 1...Be7!
- threat
- 1.Rxe6+?
- 1...Se5
- 2.Rxe3#
- 2.Rxe5#
- 1...Qxe6!
- 1...Se5
- 1.Re7?
- threat
- 2.Sd6#
- 2.Qxb7#
- 1...Rxe7
- 2.Sd6#
- 1...Bxc8
- 2.Qc6#
- 2.Qd5#
- 1...Bxe7
- 2.Qxb7#
- 1...Ra5
- 2.Sd6#
- 1...Ra7
- 2.Sd6#
- 1...Bd5
- 2.Sd6#
- 2.Qxd5#
- 1...Bc6
- 2.Sd6#
- 2.Qxc6#
- 1...Ba8
- 2.Sd6#
- 1...Se5
- 2.Sd6#
- 2.Rxe3#
- 1...Sf6
- 2.Sd6#
- 2.Rxe3#
- 1...b5!
- threat
- 1.Qxe6+?
- 1...Se5
- 2.Rxe3#
- 2.Qxe5#
- 1...Qxe6!
- 1...Se5
- 1.Bxe3?
- Keys
- 1.Bb8!
- threat
- 2.Rf4#
- 1...Bd6+
- 2.Sxd6#
- 1...f4+
- 2.Rxf4#
- 1...Re7
- 2.Sd6#
- 1...Be7
- 2.Qxb7#
- 1...Se5
- 2.Rxe3#
- threat
- 1.Bb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(i);N_GUARD,XP(G)::QAB(H),XB(h)
- R(i);N_GUARD::QAB(H),XB(h)
- R(i);N_SPINS(g),S_CUTB(j)::S(I)
- B(h);N_GUARD::QAB1(H),XB(h)
- B(h);N_GUARD::QAB(H),XB(h)
- B(j);N_GUARD,P_PINB(F)::S(I),XB(j)
- B(j);N_SPINS(g),S_CUTR(i)::QAB(H),XB(h)
- S(c);N_GUARD,P_PINP(G)::R1(B),XP(a)
- S(c);N_GUARD,N_SPINS(g),P_PINP(G)::R1(B),XP(a)
- P(a);::B(D)
- Tries
- Try
- B(F);XP(a)
- Threat
- R1(B)
- Vars
- B(j);CHECK,N_GUARD::S(I),XB(j)
- P(d);CHECK::R1(B),XP(d)
- R(i);N_SPINS(g),S_CUTB(j)::S(I)
- B(j);N_SPINS(g),S_CUTR(i)::QAB(H),XB(h)
- Refutation
- S(c);N_SPINS(g),P_PINP(G)
- Try
- B(F);
- Threat
- R1(B)
- Vars
- B(j);CHECK,XB(F)::S(I),XB(j)
- P(d);CHECK::R1(B),XP(d)
- B(j);N_SPINS(g),S_CUTR(i)::QAB(H),XB(h)
- S(c);N_GUARD,N_SPINS(g),P_PINP(G)::R1(B),XP(a)
- Refutation
- R(i);N_SPINS(g)
- Try
- B(F);
- Threat
- R1(B)
- Vars
- B(j);CHECK,N_GUARD::S(I),XB(j)
- P(d);CHECK::R1(B),XP(d)
- R(i);N_SPINS(g),S_CUTB(j)::S(I)
- S(c);N_GUARD,N_SPINS(g),P_PINP(G)::R1(B),XP(a)
- Refutation
- B(j);N_SPINS(g)
- Try
- R(J);CHECK,XS(g)
- Refutation
- Q(k);XR(J)
- Try
- R(J);
- Threat
- DUALS(2)
- Vars
- R(i);N_SPINS(g),XR(J)::S(I)
- B(j);N_SPINS(g),XR(J)::QAB(H),XB(h)
- R(e);::S(I)
- B(h);::S(I)
- Refutation
- P(f);
- Try
- Q(H);CHECK,XS(g)
- Refutation
- Q(k);P_SPINQ(k),XQ(H)
- Try
- Actual
- B(F);
- Threat
- R1(B)
- Vars
- B(j);CHECK,N_GUARD::S(I),XB(j)
- P(d);CHECK::R1(B),XP(d)
- R(i);N_SPINS(g),S_CUTB(j)::S(I)
- B(j);N_SPINS(g),S_CUTR(i)::QAB(H),XB(h)
- S(c);N_GUARD,N_SPINS(g),P_PINP(G)::R1(B),XP(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).