MESON Chess Problem Database
Problem Display
PID: 187642 (8/8/3KNp2/8/2B1k1p1/5b2/5Q2/8 w - - 0 1)
Decker, Adolfph L
Deutsches Wochenschach, 1909
#2
4 + 4
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Kf5
- 2.Bd3#
- 1...Bd1
- 2.Sc5#
- 2.Qf4#
- 1...Bh1
- 2.Sc5#
- 2.Qf4#
- 1...Be2
- 2.Sc5#
- 2.Qf4#
- 1...Bg2
- 2.Sc5#
- 2.Qf4#
- 1...f5
- 2.Qd4#
- 1...Kf5
- Tries
- 1.Bf1?
- 1...Kf5
- 2.Bd3#
- 1...Bd1
- 2.Sc5#
- 2.Qf4#
- 1...Bh1
- 2.Sc5#
- 2.Qf4#
- 1...Be2
- 2.Sc5#
- 1...Bg2
- 2.Sc5#
- 2.Qf4#
- 1...f5
- 2.Qd4#
- 1...g3!
- 1...Kf5
- 1.Ba2?
- threat
- 2.Bb1#
- 1...Kf5
- 2.Bb1#
- 1...Bd1
- 2.Sc5#
- 1...Be2
- 2.Sc5#
- 1...Kd3!
- threat
- 1.Bb3?
- threat
- 2.Bc2#
- 1...Kf5
- 2.Bc2#
- 1...Bd1
- 2.Sc5#
- 1...Be2
- 2.Sc5#
- 1...Kd3!
- threat
- 1.Bb5?
- 1...Kf5
- 2.Bd3#
- 1...Bd1
- 2.Sc5#
- 2.Qf4#
- 1...Bh1
- 2.Sc5#
- 2.Qf4#
- 1...Be2
- 2.Sc5#
- 2.Qf4#
- 1...Bg2
- 2.Sc5#
- 2.Qf4#
- 1...f5
- 2.Qd4#
- 1...g3!
- 1...Kf5
- 1.Ba6?
- 1...Kf5
- 2.Bd3#
- 1...Bd1
- 2.Sc5#
- 2.Qf4#
- 1...Bh1
- 2.Sc5#
- 2.Qf4#
- 1...Be2
- 2.Sc5#
- 2.Qf4#
- 1...Bg2
- 2.Sc5#
- 2.Qf4#
- 1...f5
- 2.Qd4#
- 1...g3!
- 1...Kf5
- 1.Qf1?
- threat
- 2.Qd3#
- 1...Kf5
- 2.Bd3#
- 1...Be2
- 2.Qf4#
- 1...Ke3!
- threat
- 1.Qd2?
- threat
- 2.Bd3#
- 2.Qf4#
- 2.Qd3#
- 1...Bd1
- 2.Qf4#
- 2.Qd3#
- 1...Bh1
- 2.Qf4#
- 2.Qd3#
- 1...Be2
- 2.Qf4#
- 1...Bg2
- 2.Qf4#
- 2.Qd3#
- 1...Kf5!
- threat
- 1.Bf1?
- Keys
- 1.Be2!
- 1...Kf5
- 2.Bd3#
- 1...Bxe2
- 2.Sc5#
- 1...Bh1
- 2.Sc5#
- 2.Qf4#
- 1...Bg2
- 2.Sc5#
- 2.Qf4#
- 1...g3
- 2.Qxf3#
- 1...f5
- 2.Qd4#
- 1...Kf5
- 1.Be2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);P_SPINB(a),S_FLIGHT::B(B)
- P(d);SBLOCK::QAR1(A)
- Tries
- Try
- B(B);
- Vars
- K(b);P_SPINB(a),S_FLIGHT::B(B)
- B(a);::S(D)
- P(d);SBLOCK::QAR1(A)
- Refutation
- P(c);
- Try
- B(B);
- Threat
- B(B)
- Vars
- K(b);P_SPINB(a),S_FLIGHT::B(B)
- B(a);::S(D)
- Refutation
- K(b);S_FLIGHT
- Try
- B(B);
- Threat
- B(B)
- Vars
- K(b);P_SPINB(a),S_FLIGHT::B(B)
- B(a);::S(D)
- Refutation
- K(b);S_FLIGHT
- Try
- B(B);
- Vars
- K(b);P_SPINB(a),S_FLIGHT::B(B)
- P(d);SBLOCK::QAR1(A)
- Refutation
- P(c);
- Try
- B(B);
- Vars
- K(b);P_SPINB(a),S_FLIGHT::B(B)
- P(d);SBLOCK::QAR1(A)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- K(b);P_SPINB(a),S_FLIGHT::B(B)
- B(a);OGATE::QAR1(A)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(a);::QAR1(A)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- B(B);
- Vars
- K(b);P_SPINB(a),S_FLIGHT::B(B)
- B(a);XB(B)::S(D)
- P(c);N_GUARD::QAB1(A),XB(a)
- P(d);SBLOCK::QAR1(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).