MESON Chess Problem Database
Problem Display
PID: 196934 (B2R1K2/1rkp4/RbNn4/8/8/2N5/8/7Q w - - 0 1)
Massmann, Wilhelm Karl Heinrich
Tijdschrift vd NSB, 1919
#2
7 + 5
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.Sd5#
- 1...Rb8
- 2.Sd5#
- 1...Bg1
- 2.Sd5#
- 1...Bf2
- 2.Sd5#
- 1...Be3
- 2.Sd5#
- 1...Bd4
- 2.Sd5#
- 1...Ba5
- 2.Sd5#
- 1...Bc5
- 2.Sd5#
- 1...Ba7
- 2.Sd5#
- 1...Sc4
- 2.Sb5#
- 1...Sb5
- 2.Sxb5#
- 1...Sf5
- 2.Sb5#
- 1...Sf7
- 2.Sb5#
- 1...Sc8
- 2.Sb5#
- 1...Se8
- 2.Sb5#
- 1...Ra7
- Tries
- 1.Rc8+?
- 1...Sxc8
- 2.Sb5#
- 1...Kxc8!
- 1...Sxc8
- 1.Qe4?
- 1...dxc6
- 2.Qe7#
- 1...Sc4
- 2.Sb5#
- 1...Sb5
- 2.Sxb5#
- 1...Sf5
- 2.Sb5#
- 1...Sf7
- 2.Sb5#
- 1...Sc8
- 2.Sb5#
- 1...Se8
- 2.Sb5#
- 1...Ra7
- 2.Sd5#
- 1...Rb8
- 2.Sd5#
- 1...Bg1
- 2.Sd5#
- 1...Bf2
- 2.Sd5#
- 1...Be3
- 2.Sd5#
- 1...Bd4
- 2.Sd5#
- 1...Ba5
- 2.Sd5#
- 1...Bc5
- 2.Sd5#
- 1...Ba7
- 2.Sd5#
- 1...Sxe4!
- 1...dxc6
- 1.Qd1?
- 1...dxc6
- 2.Qxd6#
- 1...Ra7
- 2.Sd5#
- 1...Rb8
- 2.Sd5#
- 1...Bg1
- 2.Sd5#
- 1...Bf2
- 2.Sd5#
- 1...Be3
- 2.Sd5#
- 1...Bd4
- 2.Sd5#
- 1...Ba5
- 2.Sd5#
- 1...Bc5
- 2.Sd5#
- 1...Ba7
- 2.Sd5#
- 1...Sc4
- 2.Qxd7#
- 1...Se4
- 2.Qxd7#
- 1...Sb5
- 2.Qxd7#
- 1...Sf5
- 2.Qxd7#
- 1...Sf7
- 2.Qxd7#
- 1...Sc8
- 2.Qxd7#
- 1...Se8
- 2.Qxd7#
- 1...Kxc6!
- 1...dxc6
- 1.Qh2?
- 1...dxc6
- 2.Qxd6#
- 1...Ra7
- 2.Sb5#
- 2.Sd5#
- 1...Rb8
- 2.Sb5#
- 2.Sd5#
- 1...Bg1
- 2.Sd5#
- 1...Bf2
- 2.Sd5#
- 1...Be3
- 2.Sd5#
- 1...Bd4
- 2.Sd5#
- 1...Ba5
- 2.Sd5#
- 1...Bc5
- 2.Sd5#
- 1...Ba7
- 2.Sd5#
- 1...Kxc6!
- 1...dxc6
- 1.Rc8+?
- Keys
- 1.Qh6!
- 1...Kxc6
- 2.Rc8#
- 1...dxc6
- 2.Qxd6#
- 1...Ra7
- 2.Sd5#
- 1...Rb8
- 2.Sd5#
- 1...Bg1
- 2.Sd5#
- 1...Bf2
- 2.Sd5#
- 1...Be3
- 2.Sd5#
- 1...Bd4
- 2.Sd5#
- 1...Ba5
- 2.Sd5#
- 1...Bc5
- 2.Sd5#
- 1...Ba7
- 2.Sd5#
- 1...Sc4
- 2.Sb5#
- 2.Sd5#
- 1...Se4
- 2.Sb5#
- 2.Sd5#
- 1...Sb5
- 2.Sxb5#
- 2.Sd5#
- 1...Sf5
- 2.Sb5#
- 2.Sd5#
- 1...Sf7
- 2.Sb5#
- 2.Sd5#
- 1...Sc8
- 2.Sb5#
- 2.Sd5#
- 1...Se8
- 2.Sb5#
- 2.Sd5#
- 1...Kxc6
- 1.Qh6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(c);::S(B)
- R(c);P_PINR(F)::S(B)
- B(a);::S(B)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- Tries
- Try
- R(F);CHECK
- Vars
- S(b);SBLOCK,XR(F)::S(B)
- Refutation
- K(d);P-FLIGHT,XR(F)
- Try
- Q(A);
- Vars
- P(e);OGATEB,SBLOCK,XS(D)::QAR2(A)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- R(c);::S(B)
- R(c);P_PINR(F)::S(B)
- B(a);::S(B)
- Refutation
- S(b);XQ(A)
- Try
- Q(A);
- Vars
- P(e);XS(D)::QAB1(A),XS(b)
- R(c);::S(B)
- R(c);P_PINR(F)::S(B)
- B(a);::S(B)
- S(b);OGATE::QAR1(A),XP(e)
- Refutation
- K(d);P-FLIGHT,P_SPINB(a),P_SPINR(c),XS(D)
- Try
- Q(A);P_PINS(b)
- Vars
- P(e);XS(D)::QAB1(A),XS(b)
- B(a);::S(B)
- Refutation
- K(d);N_SPINS(b),P-FLIGHT,P_SPINB(a),P_SPINR(c),XS(D)
- Try
- Actual
- Q(A);
- Vars
- K(d);P-FLIGHT,P_SPINB(a),P_SPINR(c),P_SPINS(b),XS(D)::R(F)
- P(e);XS(D)::QAB1(A),XS(b)
- R(c);::S(B)
- R(c);P_PINR(F)::S(B)
- B(a);::S(B)
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).