MESON Chess Problem Database
Problem Display
PID: 244405 (1b6/4Q2K/b1rp4/1B5k/RB2N3/5n2/8/6R1 w - - 0 1)
Dittrich, Stefan
Mat, 1982
#2
7 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Be8#
- 1...Rc2
- 2.Be8#
- 1...Rc3
- 2.Be8#
- 1...Rc4
- 2.Be8#
- 1...Rc5
- 2.Be8#
- 1...Rb6
- 2.Be8#
- 1...Rc7
- 2.Be8#
- 1...Se1
- 2.Qg5#
- 1...Sxg1
- 2.Qg5#
- 1...Sd2
- 2.Qg5#
- 1...Sh2
- 2.Qg5#
- 1...Sd4
- 2.Qg5#
- 1...Sh4
- 2.Sf6#
- 2.Rg5#
- 2.Qg5#
- 1...Se5
- 2.Qg5#
- 1...Sg5+
- 2.Qxg5#
- 1...Rc1
- Tries
- 1.Be1?
- threat
- 2.Sg3#
- 2.Sf6#
- 2.Qf7#
- 2.Qe8#
- 1...Sg5+
- 2.Rxg5#
- 2.Qxg5#
- 1...Sxe1
- 2.Sg3#
- 2.Sf6#
- 2.Qg5#
- 1...Sxg1
- 2.Sg3#
- 2.Qh4#
- 2.Qg5#
- 1...Rc7
- 2.Sg3#
- 2.Sf6#
- 2.Be8#
- 1...Rc4
- 2.Sf6#
- 2.Be8#
- 2.Qf7#
- 2.Qe8#
- 1...Rc8
- 2.Sg3#
- 2.Sf6#
- 2.Qf7#
- 1...Sd4
- 2.Sf6#
- 2.Rg5#
- 2.Qh4#
- 2.Qg5#
- 2.Qf7#
- 2.Qe8#
- 1...Sh4
- 2.Sg3#
- 2.Sf6#
- 2.Rg5#
- 2.Qxh4#
- 2.Qg5#
- 1...Se5
- 2.Sg3#
- 2.Sf6#
- 2.Rg5#
- 2.Qh4#
- 2.Qg5#
- 1...d5!
- threat
- 1.Bd2?
- threat
- 2.Sg3#
- 2.Sf6#
- 1...Sg5+
- 2.Qxg5#
- 1...Rc4
- 2.Be8#
- 1...Sd4
- 2.Qg5#
- 1...d5!
- threat
- 1.Ba3?
- threat
- 2.Sg3#
- 2.Sf6#
- 1...Sg5+
- 2.Qxg5#
- 1...Sxg1
- 2.Sg3#
- 2.Qg5#
- 1...Rc4
- 2.Be8#
- 1...Sd4
- 2.Qg5#
- 1...d5!
- threat
- 1.Bc3?
- threat
- 2.Sg3#
- 2.Sf6#
- 1...Sg5+
- 2.Qxg5#
- 1...Sxg1
- 2.Sg3#
- 2.Qg5#
- 1...Rc4
- 2.Be8#
- 1...Sd4
- 2.Qg5#
- 1...d5!
- threat
- 1.Ba5?
- threat
- 2.Sg3#
- 2.Sf6#
- 1...Sg5+
- 2.Qxg5#
- 1...Sxg1
- 2.Sg3#
- 2.Qg5#
- 1...Rc4
- 2.Be8#
- 1...Sd4
- 2.Qg5#
- 1...d5!
- threat
- 1.Be2?
- threat
- 2.Bxf3#
- 2.Qg5#
- 1...Rc3
- 2.Qg5#
- 1...Rc5
- 2.Bxf3#
- 1...Rc7
- 2.Bxf3#
- 1...Bc8
- 2.Qg5#
- 1...Bxe2!
- threat
- 1.Rh1+?
- 1...Sh2
- 2.Qg5#
- 1...Sh4
- 2.Rxh4#
- 2.Qxh4#
- 2.Qg5#
- 1...Kg4!
- 1...Sh2
- 1.Rg5+?
- 1...Sxg5+
- 2.Qxg5#
- 1...Kh4!
- 1...Sxg5+
- 1.Rg6?
- threat
- 2.Sg3#
- 1...Sg5+
- 2.Qxg5#
- 1...d5!
- threat
- 1.Rg7?
- threat
- 2.Sg3#
- 1...Sg5+
- 2.Qxg5#
- 1...d5!
- threat
- 1.Rg8?
- threat
- 2.Sg3#
- 1...Sg5+
- 2.Qxg5#
- 1...d5!
- threat
- 1.Qh4+?
- 1...Sxh4
- 2.Sf6#
- 2.Rg5#
- 1...Kxh4!
- 1...Sxh4
- 1.Qg7?
- threat
- 2.Qh6#
- 2.Qg4#
- 1...Sg5+
- 2.Qxg5#
- 1...Kh4
- 2.Qh6#
- 2.Qg4#
- 1...Sxg1
- 2.Qg5#
- 1...d5
- 2.Qg4#
- 1...Bc8
- 2.Qh6#
- 1...Sh2
- 2.Qh6#
- 2.Qg5#
- 1...Se5
- 2.Rh1#
- 2.Qh6#
- 2.Qg5#
- 1...Rc7!
- threat
- 1.Be1?
- Keys
- 1.Bxd6!
- threat
- 2.Sg3#
- 2.Sf6#
- 1...Sg5+
- 2.Qxg5#
- 1...Rxd6
- 2.Sg3#
- 1...Bxd6
- 2.Sf6#
- 1...Sxg1
- 2.Sg3#
- 2.Qg5#
- 1...Rc4
- 2.Be8#
- 1...Sd4
- 2.Qg5#
- threat
- 1.Bxd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- R(d);OGATE::B(E)
- R(d);OGATE,P_PINQ(F)::B(E)
- S(a);N_GUARD::QAR1(F)
- S(a);N_GUARD,XR(A)::QAR1(F)
- S(a);CHECK,N_GUARD::QAR1(F),XS(a)
- Tries
- Try
- B(C);
- Threat
- DUALS(4)
- Refutation
- P(e);
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::QAR1(F),XS(a)
- R(d);OGATE::B(E)
- S(a);N_GUARD::QAR1(F)
- Refutation
- P(e);
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::QAR1(F),XS(a)
- R(d);OGATE::B(E)
- S(a);N_GUARD::QAR1(F)
- Refutation
- P(e);
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::QAR1(F),XS(a)
- R(d);OGATE::B(E)
- S(a);N_GUARD::QAR1(F)
- Refutation
- P(e);
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::QAR1(F),XS(a)
- R(d);OGATE::B(E)
- S(a);N_GUARD::QAR1(F)
- Refutation
- P(e);
- Try
- B(E);P_PINS(a)
- Threat
- DUALS(2)
- Vars
- R(d);::QAR1(F)
- R(d);::B(E),XS(a)
- R(d);P_PINQ(F)::B(E),XS(a)
- B(c);::QAR1(F)
- Refutation
- B(c);N_SPINS(a),XB(E)
- Try
- R(A);CHECK
- Vars
- S(a);P_SPINS(a)::QAR1(F)
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);CHECK
- Vars
- S(a);CHECK,OGATE,XR(A)::QAR1(F),XS(a)
- Refutation
- K(b);P-FLIGHT
- Try
- R(A);
- Threat
- S(D)
- Vars
- S(a);CHECK,N_GUARD::QAR1(F),XS(a)
- Refutation
- P(e);
- Try
- R(A);
- Threat
- S(D)
- Vars
- S(a);CHECK,N_GUARD::QAR1(F),XS(a)
- Refutation
- P(e);
- Try
- R(A);
- Threat
- S(D)
- Vars
- S(a);CHECK,N_GUARD::QAR1(F),XS(a)
- Refutation
- P(e);
- Try
- Q(F);CHECK
- Refutation
- K(b);P-FLIGHT,XQ(F)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::QAR1(F),XS(a)
- S(a);N_GUARD,XR(A)::QAR1(F)
- P(e);::QAB1(F)
- B(c);::QAR1(F)
- Refutation
- R(d);P_PINQ(F)
- Try
- Actual
- B(C);XP(e)
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::QAR1(F),XS(a)
- R(d);XB(C)::S(D)
- B(f);XB(C)::S(D)
- R(d);OGATE::B(E)
- S(a);N_GUARD::QAR1(F)
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).