MESON Chess Problem Database
Problem Display
PID: 19155 (8/8/8/8/2N3p1/4b1P1/p1PN4/k1K3Q1 w - - 0 1)
Giobel, Bengt Rudolf
Vart Hem, 1933
#2
6 + 4
SOLUTION
- SOUND
- Sets
- 1...Bxg1
- 2.Sb3#
- 1...Bxd2+
- 2.Kxd2#
- 1...Bf2
- 2.Sb3#
- 1...Bd4
- 2.Sb3#
- 2.Qxd4#
- 1...Bf4
- 2.Qd4#
- 1...Bc5
- 2.Sb3#
- 1...Bg5
- 2.Qd4#
- 1...Bb6
- 2.Sb3#
- 1...Bh6
- 2.Qd4#
- 1...Ba7
- 2.Sb3#
- 1...Bxg1
- Tries
- 1.Sa3?
- 1...Bxg1
- 2.Sb3#
- 1...Bf2
- 2.Sb3#
- 1...Bd4
- 2.Sb3#
- 2.Qxd4#
- 1...Bf4
- 2.Qd4#
- 1...Bc5
- 2.Sb3#
- 1...Bg5
- 2.Qd4#
- 1...Bb6
- 2.Sb3#
- 1...Bh6
- 2.Qd4#
- 1...Ba7
- 2.Sb3#
- 1...Bxd2+!
- 1...Bxg1
- 1.Se5?
- 1...Bxg1
- 2.Sb3#
- 1...Bf2
- 2.Sb3#
- 1...Bd4
- 2.Sb3#
- 2.Qxd4#
- 1...Bf4
- 2.Qd4#
- 1...Bc5
- 2.Sb3#
- 1...Bg5
- 2.Qd4#
- 1...Bb6
- 2.Sb3#
- 1...Bh6
- 2.Qd4#
- 1...Ba7
- 2.Sb3#
- 1...Bxd2+!
- 1...Bxg1
- 1.Sb6?
- 1...Bxg1
- 2.Sb3#
- 1...Bxb6
- 2.Sb3#
- 1...Bf2
- 2.Sb3#
- 1...Bd4
- 2.Sb3#
- 2.Qxd4#
- 1...Bf4
- 2.Qd4#
- 1...Bc5
- 2.Sb3#
- 1...Bg5
- 2.Qd4#
- 1...Bh6
- 2.Qd4#
- 1...Bxd2+!
- 1...Bxg1
- 1.Sd6?
- 1...Bxg1
- 2.Sb3#
- 1...Bf2
- 2.Sb3#
- 1...Bd4
- 2.Sb3#
- 2.Qxd4#
- 1...Bf4
- 2.Qd4#
- 1...Bc5
- 2.Sb3#
- 1...Bg5
- 2.Qd4#
- 1...Bb6
- 2.Sb3#
- 1...Bh6
- 2.Qd4#
- 1...Ba7
- 2.Sb3#
- 1...Bxd2+!
- 1...Bxg1
- 1.Qf2?
- 1...Bxf2
- 2.Sb3#
- 1...Bd4
- 2.Sb3#
- 2.Qxd4#
- 1...Bf4
- 2.Qd4#
- 1...Bc5
- 2.Sb3#
- 1...Bg5
- 2.Qd4#
- 1...Bb6
- 2.Sb3#
- 1...Bh6
- 2.Qd4#
- 2.Qf6#
- 1...Ba7
- 2.Sb3#
- 1...Bxd2+!
- 1...Bxf2
- 1.Qe1?
- 1...Bxd2+
- 2.Kxd2#
- 1...Bg1
- 2.Sb3#
- 1...Bf2
- 2.Sb3#
- 1...Bd4
- 2.Sb3#
- 1...Bc5
- 2.Sb3#
- 1...Bg5
- 2.Qe5#
- 1...Bb6
- 2.Sb3#
- 1...Bh6
- 2.Qe5#
- 1...Ba7
- 2.Sb3#
- 1...Bf4!
- 1...Bxd2+
- 1.Sa3?
- Keys
- 1.c3!
- 1...Bxd2+
- 2.Kxd2#
- 1...Bxg1
- 2.Sb3#
- 1...Bf4
- 2.Kc2#
- 1...Bf2
- 2.Sb3#
- 1...Bd4
- 2.Sb3#
- 1...Bc5
- 2.Sb3#
- 1...Bg5
- 2.Kc2#
- 1...Bb6
- 2.Sb3#
- 1...Bh6
- 2.Kc2#
- 1...Ba7
- 2.Sb3#
- 1...Bxd2+
- 1.c3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(c);N_PINS(D),XQ(B)::S(D)
- B(c);CHECK,XS(D)::QAR(B)+K(A),XB(c)
- B(c);N_PINS(D)::S(D)
- B(c);OGATE::QAB(B)
- Tries
- Try
- S(F);
- Vars
- B(c);N_PINS(D),XQ(B)::S(D)
- B(c);N_PINS(D)::S(D)
- B(c);OGATE::QAB(B)
- Refutation
- B(c);CHECK,XS(D)
- Try
- S(F);
- Vars
- B(c);N_PINS(D),XQ(B)::S(D)
- B(c);N_PINS(D)::S(D)
- B(c);OGATE::QAB(B)
- Refutation
- B(c);CHECK,XS(D)
- Try
- S(F);
- Vars
- B(c);N_PINS(D),XQ(B)::S(D)
- B(c);N_PINS(D),XS(F)::S(D)
- B(c);N_PINS(D)::S(D)
- B(c);OGATE::QAB(B)
- Refutation
- B(c);CHECK,XS(D)
- Try
- S(F);
- Vars
- B(c);N_PINS(D),XQ(B)::S(D)
- B(c);N_PINS(D)::S(D)
- B(c);OGATE::QAB(B)
- Refutation
- B(c);CHECK,XS(D)
- Try
- Q(B);
- Vars
- B(c);N_PINS(D),XQ(B)::S(D)
- B(c);OGATE::QAB(B)
- B(c);N_PINS(D)::S(D)
- Refutation
- B(c);CHECK,XS(D)
- Try
- Q(B);
- Vars
- B(c);CHECK,XS(D)::QAR(B)+K(A),XB(c)
- B(c);N_PINS(D)::S(D)
- B(c);OGATE::QAB(B)
- Refutation
- B(c);
- Try
- Actual
- P(C);
- Vars
- B(c);CHECK,XS(D)::QAR(B)+K(A),XB(c)
- B(c);N_PINS(D),XQ(B)::S(D)
- B(c);N_GUARD::QAR(B)+K(A)
- B(c);N_PINS(D)::S(D)
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).