MESON Chess Problem Database
Problem Display
PID: 232456 (1B4B1/N2p4/b7/p1Pr1P2/3k1K2/P5NR/4P3/2Q5 w - - 0 1)
Dietrich, Albert
Freie Presse, 1985
#2
11 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxc5
- 2.Qe3#
- 1...Re5
- 2.Bxe5#
- 1...Rxf5+
- 2.Sxf5#
- 1...Rd6
- 2.Qe3#
- 1...Bxe2
- 2.Sxe2#
- 1...Bd3
- 2.e3#
- 1...Bc4
- 2.Qe3#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...d6
- 2.Sc6#
- 1...Rxc5
- Tries
- 1.Sf1?
- threat
- 2.Qc3#
- 1...Rxc5
- 2.Qe3#
- 1...Bc4
- 2.Qe3#
- 1...Bd3
- 2.Rxd3#
- 2.e3#
- 1...Rxf5+!
- threat
- 1.Sh1?
- threat
- 2.Qc3#
- 1...Rxc5
- 2.Qe3#
- 2.Qg1#
- 1...Bc4
- 2.Qe3#
- 2.Qg1#
- 1...Bd3
- 2.Rxd3#
- 2.e3#
- 1...Rxf5+!
- threat
- 1.Se4?
- threat
- 2.Qc3#
- 1...Rxc5
- 2.Qe3#
- 2.Qg1#
- 2.Qxc5#
- 1...Rxf5+!
- threat
- 1.Sh5?
- threat
- 2.Qc3#
- 1...Rxc5
- 2.Qe3#
- 2.Qg1#
- 1...Bc4
- 2.Qe3#
- 2.Qg1#
- 1...Bd3
- 2.Rxd3#
- 2.e3#
- 1...Rxf5+!
- threat
- 1.Bd6?
- 1...Rxf5+
- 2.Sxf5#
- 1...Rxc5
- 2.Bxc5#
- 2.Qe3#
- 2.Qxc5#
- 1...Rxd6
- 2.Qe3#
- 1...Bxe2
- 2.Sxe2#
- 1...Re5
- 2.Bxe5#
- 2.Qb2#
- 2.Qa1#
- 1...Bd3
- 2.e3#
- 1...Bc4
- 2.Qb2#
- 2.Qe3#
- 2.Qa1#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...a4!
- 1...Rxf5+
- 1.Bc7?
- 1...Rxf5+
- 2.Sxf5#
- 1...Rxc5
- 2.Qe3#
- 1...Bxe2
- 2.Sxe2#
- 1...Bc4
- 2.Qe3#
- 1...Re5
- 2.Bxe5#
- 1...Rd6
- 2.Qe3#
- 1...Bd3
- 2.e3#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...d6
- 2.Sc6#
- 1...a4!
- 1...Rxf5+
- 1.Be6?
- 1...Rxf5+
- 2.Sxf5#
- 1...Rxc5
- 2.Qe3#
- 1...Bxe2
- 2.Sxe2#
- 1...dxe6
- 2.Sc6#
- 1...Bc4
- 2.Qe3#
- 1...Re5
- 2.Bxe5#
- 1...Rd6
- 2.Qe3#
- 1...Bd3
- 2.e3#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...d6
- 2.Sc6#
- 1...a4!
- 1...Rxf5+
- 1.Bf7?
- 1...Rxf5+
- 2.Sxf5#
- 1...Rxc5
- 2.Qe3#
- 1...Bxe2
- 2.Sxe2#
- 1...Bc4
- 2.Qe3#
- 1...Re5
- 2.Bxe5#
- 1...Rd6
- 2.Qe3#
- 1...Bd3
- 2.e3#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...d6
- 2.Sc6#
- 1...a4!
- 1...Rxf5+
- 1.Rh4?
- threat
- 2.Kf3#
- 2.Kg5#
- 1...Rxf5+
- 2.Kxf5#
- 2.Sxf5#
- 1...Bc4
- 2.Qe3#
- 1...Re5
- 2.Bxe5#
- 1...Rd6
- 2.Qe3#
- 1...Bd3
- 2.e3#
- 1...d6
- 2.Sc6#
- 1...Bxe2!
- threat
- 1.Qc2?
- threat
- 2.e3#
- 1...Rxf5+
- 2.Sxf5#
- 1...Bxe2
- 2.Sxe2#
- 1...Re5
- 2.Bxe5#
- 1...Bc4!
- threat
- 1.f6?
- 1...Rf5+
- 2.Sxf5#
- 1...Rxc5
- 2.Qe3#
- 1...Bxe2
- 2.Sxe2#
- 1...Bc4
- 2.Qe3#
- 1...Re5
- 2.Bxe5#
- 1...Rg5
- 2.Qe3#
- 1...Rh5
- 2.Qe3#
- 1...Rd6
- 2.Sf5#
- 2.Qe3#
- 1...Bd3
- 2.e3#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...d6
- 2.Sc6#
- 1...a4!
- 1...Rf5+
- 1.Sf1?
- Keys
- 1.a4!
- 1...Rxf5+
- 2.Sxf5#
- 1...Rxc5
- 2.Qe3#
- 1...Bxe2
- 2.Sxe2#
- 1...Bc4
- 2.Qe3#
- 1...Re5
- 2.Bxe5#
- 1...Rd6
- 2.Qe3#
- 1...Bd3
- 2.e3#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...d6
- 2.Sc6#
- 1...Rxf5+
- 1.a4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(c);SBLOCK,XP(G)::QAB1(A)
- R(c);N_GUARD::B(J),XR(c)
- R(c);CHECK,XP(H)::S(D),XR(c)
- R(c);::QAB1(A)
- B(d);XP(B)::S(D),XB(d)
- B(d);SBLOCK::P(B)
- B(d);SBLOCK::QAB1(A)
- B(d);N_GUARD::S(I),XB(d)
- B(d);N_GUARD::S(I)
- P(e);N_GUARD::S(I)
- Tries
- Try
- S(D);
- Threat
- QAB1(A)
- Vars
- R(c);SBLOCK,XP(G)::QAB1(A)
- B(d);SBLOCK::QAB1(A)
- Refutation
- R(c);CHECK,XP(H)
- Try
- S(D);
- Threat
- QAB1(A)
- Refutation
- R(c);CHECK,XP(H)
- Try
- S(D);
- Threat
- QAB1(A)
- Refutation
- R(c);CHECK,XP(H)
- Try
- S(D);
- Threat
- QAB1(A)
- Refutation
- R(c);CHECK,XP(H)
- Try
- B(J);
- Vars
- R(c);CHECK,XP(H)::S(D),XR(c)
- R(c);XB(J)::QAB1(A)
- B(d);XP(B)::S(D),XB(d)
- B(d);SBLOCK::P(B)
- B(d);N_GUARD::S(I),XB(d)
- B(d);N_GUARD::S(I)
- Refutation
- P(b);
- Try
- B(J);
- Vars
- R(c);CHECK,XP(H)::S(D),XR(c)
- R(c);SBLOCK,XP(G)::QAB1(A)
- B(d);XP(B)::S(D),XB(d)
- B(d);SBLOCK::QAB1(A)
- R(c);N_GUARD::B(J),XR(c)
- R(c);::QAB1(A)
- B(d);SBLOCK::P(B)
- B(d);N_GUARD::S(I),XB(d)
- B(d);N_GUARD::S(I)
- P(e);N_GUARD::S(I)
- Refutation
- P(b);
- Try
- B(K);
- Vars
- R(c);CHECK,XP(H)::S(D),XR(c)
- R(c);SBLOCK,XP(G)::QAB1(A)
- B(d);XP(B)::S(D),XB(d)
- P(e);N_GUARD,XB(K)::S(I)
- B(d);SBLOCK::QAB1(A)
- R(c);N_GUARD::B(J),XR(c)
- R(c);::QAB1(A)
- B(d);SBLOCK::P(B)
- B(d);N_GUARD::S(I),XB(d)
- B(d);N_GUARD::S(I)
- P(e);N_GUARD::S(I)
- Refutation
- P(b);
- Try
- B(K);
- Vars
- R(c);CHECK,XP(H)::S(D),XR(c)
- R(c);SBLOCK,XP(G)::QAB1(A)
- B(d);XP(B)::S(D),XB(d)
- B(d);SBLOCK::QAB1(A)
- R(c);N_GUARD::B(J),XR(c)
- R(c);::QAB1(A)
- B(d);SBLOCK::P(B)
- B(d);N_GUARD::S(I),XB(d)
- B(d);N_GUARD::S(I)
- P(e);N_GUARD::S(I)
- Refutation
- P(b);
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- B(d);SBLOCK::QAB1(A)
- R(c);N_GUARD::B(J),XR(c)
- R(c);::QAB1(A)
- B(d);SBLOCK::P(B)
- P(e);N_GUARD::S(I)
- Refutation
- B(d);XP(B)
- Try
- Q(A);
- Threat
- P(B)
- Vars
- R(c);CHECK,XP(H)::S(D),XR(c)
- B(d);XP(B)::S(D),XB(d)
- R(c);N_GUARD::B(J),XR(c)
- Refutation
- B(d);
- Try
- P(H);
- Vars
- R(c);CHECK,N_GUARD::S(D),XR(c)
- R(c);SBLOCK,XP(G)::QAB1(A)
- B(d);XP(B)::S(D),XB(d)
- B(d);SBLOCK::QAB1(A)
- R(c);N_GUARD::B(J),XR(c)
- R(c);::QAB1(A)
- B(d);SBLOCK::P(B)
- B(d);N_GUARD::S(I),XB(d)
- B(d);N_GUARD::S(I)
- P(e);N_GUARD::S(I)
- Refutation
- P(b);
- Try
- Actual
- P(C);
- Vars
- R(c);CHECK,XP(H)::S(D),XR(c)
- R(c);SBLOCK,XP(G)::QAB1(A)
- B(d);XP(B)::S(D),XB(d)
- B(d);SBLOCK::QAB1(A)
- R(c);N_GUARD::B(J),XR(c)
- R(c);::QAB1(A)
- B(d);SBLOCK::P(B)
- B(d);N_GUARD::S(I),XB(d)
- B(d);N_GUARD::S(I)
- P(e);N_GUARD::S(I)
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).