MESON Chess Problem Database
Problem Display
PID: 260722 (1n2R3/5K2/2Pp4/2Pk4/Q7/1Nbp4/1NP2n2/4R3 w - - 0 1)
Reddmann, Hauke
Die Schwalbe, 2022
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Bxe1
- 2.c4#
- 1...Bxb2
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Be5
- 2.c4#
- 1...Bf6
- 2.c4#
- 1...Bg7
- 2.c4#
- 1...Bh8
- 2.c4#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sxc6
- 2.Qc4#
- 1...Bxe1
- Tries
- 1.Sd1?
- threat
- 2.Sxc3#
- 2.Se3#
- 1...Bxe1
- 2.Se3#
- 2.c4#
- 1...Sxd1
- 2.Qe4#
- 1...Bb4
- 2.Se3#
- 1...Ba1
- 2.Se3#
- 2.c4#
- 1...Bb2
- 2.Se3#
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.Se3#
- 2.c4#
- 1...Be5
- 2.Se3#
- 2.c4#
- 1...Bf6
- 2.Se3#
- 2.c4#
- 1...Bg7
- 2.Se3#
- 2.c4#
- 1...Bh8
- 2.Se3#
- 2.c4#
- 1...Se4
- 2.Se3#
- 2.Qxe4#
- 1...Sg4
- 2.Sxc3#
- 2.Qe4#
- 1...dxc5!
- threat
- 1.Sc4?
- threat
- 2.Se3#
- 2.Sb6#
- 1...Bd2
- 2.Sb6#
- 1...Bd4
- 2.Sb6#
- 1...Ba5
- 2.Se3#
- 1...Sd1
- 2.Sb6#
- 1...Sg4
- 2.Sb6#
- 1...Sd7
- 2.Se3#
- 1...dxc5!
- threat
- 1.R1e6?
- threat
- 2.Rxd6#
- 1...dxc5
- 2.Qc4#
- 1...Se4
- 2.Qxe4#
- 1...Be5!
- threat
- 1.R8e5+?
- 1...Bxe5
- 2.c4#
- 1...dxe5!
- 1...Bxe5
- 1.Rc8?
- threat
- 2.Qc4#
- 1...Bxe1
- 2.Qd4#
- 1...Bxb2
- 2.c4#
- 1...Se4
- 2.Qxe4#
- 1...Bb4
- 2.c4#
- 1...dxc5!
- threat
- 1.Sd1?
- Keys
- 1.R8e6!
- threat
- 2.Rxd6#
- 1...Bxe1
- 2.c4#
- 1...dxc5
- 2.Qc4#
- 1...Be5
- 2.c4#
- 1...Se4
- 2.Qxe4#
- threat
- 1.R8e6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 13
- Sets
- B(b);OGATE,XR(A)::P(C)
- B(b);OGATE,XS(B)::P(C)
- B(b);OGATE::P(C)
- S(a);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- S(f);SBLOCK,XP(G)::QAB1(E)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD,XS(B)::QAB1(E)
- B(b);::S(B)
- B(b);OGATE::P(C)
- Refutation
- P(e);XP(F)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- B(b);::S(B)
- S(a);::S(B)
- S(f);::S(B)
- Refutation
- P(e);XP(F)
- Try
- R(A);
- Threat
- R1(A),XP(e)
- Vars
- P(e);XP(F)::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- Refutation
- B(b);
- Try
- R(I);CHECK
- Vars
- B(b);OGATE,XR(I)::P(C)
- Refutation
- P(e);XR(I)
- Try
- R(I);
- Threat
- QAB1(E)
- Vars
- B(b);N_GUARD,XR(A)::QAR1(E)
- B(b);OGATE,XS(B)::P(C)
- S(a);N_GUARD::QAB1(E),XS(a)
- B(b);OGATE::P(C)
- Refutation
- P(e);XP(F)
- Try
- Actual
- R(I);
- Threat
- R1(I),XP(e)
- Vars
- B(b);OGATE,XR(A)::P(C)
- P(e);XP(F)::QAB1(E)
- B(b);OGATE::P(C)
- S(a);N_GUARD::QAB1(E),XS(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).