MESON Chess Problem Database
Problem Display
PID: 202475 (8/4pp2/4n2K/4kP2/4P3/3Q1p1N/3P1B2/4R3 w - - 0 1)
Nanning, Willem
De Maasbode, 1923
#2
8 + 5
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kf6
- 2.e5#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...f6
- 2.Qd5#
- 1...Kf6
- Tries
- 1.Bg1?
- 1...Kf6
- 2.e5#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...f6
- 2.Qd5#
- 1...f2!
- 1...Kf6
- 1.Bg3+?
- 1...Kf6
- 2.e5#
- 1...Sf4!
- 1...Kf6
- 1.Ra1?
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...f6
- 2.Qd5#
- 1...Kf6!
- 1...Sd4
- 1.Rb1?
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...f6
- 2.Qd5#
- 1...Kf6!
- 1...Sd4
- 1.Rc1?
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...f6
- 2.Qd5#
- 1...Kf6!
- 1...Sd4
- 1.Rd1?
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...f6
- 2.Qd5#
- 1...Kf6!
- 1...Sd4
- 1.Rf1?
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...f6
- 2.Qd5#
- 1...Kf6!
- 1...Sd4
- 1.Rg1?
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...f6
- 2.Qd5#
- 1...Kf6!
- 1...Sd4
- 1.Rh1?
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...f6
- 2.Qd5#
- 1...Kf6!
- 1...Sd4
- 1.Re2?
- 1...Kf6
- 2.e5#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...f6
- 2.Qd5#
- 1...fxe2!
- 1...Kf6
- 1.Qc3+?
- 1...Sd4
- 2.Qxd4#
- 1...Kd6!
- 1...Sd4
- 1.Qd7?
- 1...Sd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Sf4
- 2.Bd4#
- 2.Qd4#
- 1...Sc5
- 2.Bd4#
- 2.Qd4#
- 1...Sg5
- 2.Bd4#
- 2.Qd4#
- 1...Sc7
- 2.Bd4#
- 2.Qd4#
- 1...Sg7
- 2.Bd4#
- 2.Qd4#
- 1...Sd8
- 2.Bd4#
- 2.Qd4#
- 1...Sf8
- 2.Bd4#
- 2.Qd4#
- 1...f6
- 2.Qxe6#
- 2.Qd5#
- 1...Kf6!
- 1...Sd4
- 1.Bg1?
- Keys
- 1.Qa6!
- 1...Kf6
- 2.Bd4#
- 1...Sd4
- 2.Bg3#
- 1...Sf4
- 2.d4#
- 1...Sc5
- 2.d4#
- 1...Sg5
- 2.d4#
- 1...Sc7
- 2.d4#
- 1...Sg7
- 2.d4#
- 1...Sd8
- 2.d4#
- 1...Sf8
- 2.d4#
- 1...f6
- 2.Qxe6#
- 1...Kf6
- 1.Qa6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);OGATE,S_FLIGHT::P(F)
- S(c);N_GUARD::QAB1(D),XS(c)
- S(c);N_GUARD::QAB1(D)
- P(e);SBLOCK::QAR1(D)
- Tries
- Try
- B(C);
- Vars
- K(b);OGATE,S_FLIGHT::P(F)
- S(c);N_GUARD::QAB1(D),XS(c)
- S(c);N_GUARD::QAB1(D)
- P(e);SBLOCK::QAR1(D)
- Refutation
- P(a);
- Try
- B(C);CHECK
- Vars
- K(b);OGATE,S_FLIGHT::P(F)
- Refutation
- S(c);P_SPINS(c)
- Try
- R(A);
- Vars
- S(c);N_GUARD::QAB1(D),XS(c)
- S(c);N_GUARD::QAB1(D)
- P(e);SBLOCK::QAR1(D)
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- S(c);N_GUARD::QAB1(D),XS(c)
- S(c);N_GUARD::QAB1(D)
- P(e);SBLOCK::QAR1(D)
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- S(c);N_GUARD::QAB1(D),XS(c)
- S(c);N_GUARD::QAB1(D)
- P(e);SBLOCK::QAR1(D)
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- S(c);N_GUARD::QAB1(D),XS(c)
- S(c);N_GUARD::QAB1(D)
- P(e);SBLOCK::QAR1(D)
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- S(c);N_GUARD::QAB1(D),XS(c)
- S(c);N_GUARD::QAB1(D)
- P(e);SBLOCK::QAR1(D)
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- S(c);N_GUARD::QAB1(D),XS(c)
- S(c);N_GUARD::QAB1(D)
- P(e);SBLOCK::QAR1(D)
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- S(c);N_GUARD::QAB1(D),XS(c)
- S(c);N_GUARD::QAB1(D)
- P(e);SBLOCK::QAR1(D)
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- K(b);OGATE,S_FLIGHT::P(F)
- S(c);N_GUARD::QAB1(D),XS(c)
- S(c);N_GUARD::QAB1(D)
- P(e);SBLOCK::QAR1(D)
- Refutation
- P(a);XR(A)
- Try
- Q(D);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAB1(D),XS(c)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(D);
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- Q(D);
- Vars
- K(b);P_SPINS(c),S_FLIGHT::B(C)
- S(c);N_GUARD,SBLOCK::B(C)
- S(c);N_GUARD::P(B)
- P(e);N_GUARD::QAR1(D),XS(c)
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).