MESON Chess Problem Database
Problem Display
PID: 2851 (8/2N1K3/1p6/1Pk5/5Q2/1b2Pn2/1P6/8 w - - 0 1)
L'Hermet, Johann Georg Rudolf
Source?, 1891
#2
6 + 4
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.b4#
- 1...Ba2
- 2.b4#
- 1...Bc2
- 2.b4#
- 1...Ba4
- 2.b4#
- 1...Bc4
- 2.Qd6#
- 1...Bd5
- 2.b4#
- 1...Be6
- 2.b4#
- 1...Bf7
- 2.b4#
- 1...Bg8
- 2.b4#
- 1...Se1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sh2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Se5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Bd1
- Tries
- 1.Kf6?
- 1...Sd4
- 2.Qxd4#
- 1...Se5
- 2.Qd4#
- 1...Bd1
- 2.b4#
- 1...Ba2
- 2.b4#
- 1...Bc2
- 2.b4#
- 1...Ba4
- 2.b4#
- 1...Bd5
- 2.b4#
- 1...Be6
- 2.b4#
- 1...Bf7
- 2.b4#
- 1...Bg8
- 2.b4#
- 1...Se1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sh2
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Bc4!
- 1...Sd4
- 1.Ke8?
- 1...Bc4
- 2.Qf8#
- 1...Sd4
- 2.Qxd4#
- 1...Se5
- 2.Qd4#
- 1...Bd1
- 2.b4#
- 1...Ba2
- 2.b4#
- 1...Bc2
- 2.b4#
- 1...Ba4
- 2.b4#
- 1...Bd5
- 2.b4#
- 1...Be6
- 2.b4#
- 1...Bg8
- 2.b4#
- 1...Se1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sh2
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Bf7+!
- 1...Bc4
- 1.Kf8?
- 1...Sd4
- 2.Qxd4#
- 1...Se5
- 2.Qd4#
- 1...Bd1
- 2.b4#
- 1...Ba2
- 2.b4#
- 1...Bc2
- 2.b4#
- 1...Ba4
- 2.b4#
- 1...Bd5
- 2.b4#
- 1...Be6
- 2.b4#
- 1...Bf7
- 2.b4#
- 1...Bg8
- 2.b4#
- 1...Se1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sh2
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Bc4!
- 1...Sd4
- 1.Qe4?
- 1...Sd4
- 2.Qxd4#
- 1...Bd1
- 2.b4#
- 1...Ba2
- 2.b4#
- 1...Bc2
- 2.b4#
- 1...Ba4
- 2.b4#
- 1...Bd5
- 2.b4#
- 1...Be6
- 2.b4#
- 1...Bf7
- 2.b4#
- 1...Bg8
- 2.b4#
- 1...Se1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sh2
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Se5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Bc4!
- 1...Sd4
- 1.Qg4?
- 1...Sd4
- 2.Qxd4#
- 1...Bd1
- 2.b4#
- 1...Ba2
- 2.b4#
- 1...Bc2
- 2.b4#
- 1...Ba4
- 2.b4#
- 1...Bd5
- 2.b4#
- 1...Be6
- 2.b4#
- 1...Bf7
- 2.b4#
- 1...Bg8
- 2.b4#
- 1...Se1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sh2
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Se5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Bc4!
- 1...Sd4
- 1.Kf6?
- Keys
- 1.Kd8!
- 1...Bc4
- 2.Qf8#
- 1...Sd4
- 2.Qxd4#
- 1...Se5
- 2.Qd4#
- 1...Bd1
- 2.b4#
- 1...Ba2
- 2.b4#
- 1...Bc2
- 2.b4#
- 1...Ba4
- 2.b4#
- 1...Bd5
- 2.b4#
- 1...Be6
- 2.b4#
- 1...Bf7
- 2.b4#
- 1...Bg8
- 2.b4#
- 1...Se1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sh2
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Bc4
- 1.Kd8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(a);OGATE::P(A)
- B(a);SBLOCK::QAB1(C)
- S(b);N_GUARD::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- B(a);OGATE::P(A)
- Refutation
- B(a);
- Try
- K(F);P-FLIGHT
- Vars
- B(a);SBLOCK::QAB(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- B(a);OGATE::P(A)
- B(a);OGATE,P_PINP(D)::P(A)
- Refutation
- B(a);CHECK
- Try
- K(F);S_FLIGHT
- Vars
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- B(a);OGATE::P(A)
- Refutation
- B(a);
- Try
- Q(C);
- Vars
- S(b);N_GUARD::QAB1(C),XS(b)
- B(a);OGATE::P(A)
- S(b);N_GUARD::QAB1(C)
- Refutation
- B(a);
- Try
- Q(C);
- Vars
- S(b);N_GUARD::QAB1(C),XS(b)
- B(a);OGATE::P(A)
- S(b);N_GUARD::QAB1(C)
- Refutation
- B(a);
- Try
- Actual
- K(F);S_FLIGHT
- Vars
- B(a);SBLOCK::QAB(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- B(a);OGATE::P(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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