MESON Chess Problem Database
Problem Display
PID: 7926 (8/8/7Q/8/5NK1/5N1p/8/5b1k w - - 0 1)
Lincoln, Robert A
The Problemist, 1994
#2
4 + 3
| 2838 | Fun with Chess Miniatures | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Be2
- 2.Qxh3#
- 1...Bd3
- 2.Qxh3#
- 1...Bc4
- 2.Qxh3#
- 1...Bb5
- 2.Qxh3#
- 1...Ba6
- 2.Qxh3#
- 1...h2
- 2.Qxh2#
- 1...Be2
- Tries
- 1.Kg3?
- 1...Be2
- 2.Qxh3#
- 1...Bd3
- 2.Qxh3#
- 1...Bc4
- 2.Qxh3#
- 1...Bb5
- 2.Qxh3#
- 1...Ba6
- 2.Qxh3#
- 1...h2
- 2.Qxh2#
- 1...Bg2!
- 1...Be2
- 1.Kg5?
- 1...Be2
- 2.Qxh3#
- 1...Bd3
- 2.Qxh3#
- 1...Bc4
- 2.Qxh3#
- 1...Bb5
- 2.Qxh3#
- 1...Ba6
- 2.Qxh3#
- 1...h2
- 2.Qxh2#
- 1...Bg2!
- 1...Be2
- 1.Se2?
- 1...Bxe2
- 2.Qxh3#
- 1...Bg2
- 2.Sg3#
- 1...h2
- 2.Qxh2#
- 1...Kg2!
- 1...Bxe2
- 1.Sxh3?
- 1...Bxh3+
- 2.Qxh3#
- 1...Bg2
- 2.Sf2#
- 1...Be2
- 2.Sf4#
- 1...Bd3
- 2.Sf4#
- 1...Bc4
- 2.Sf4#
- 1...Bb5
- 2.Sf4#
- 1...Ba6
- 2.Sf4#
- 1...Kg2!
- 1...Bxh3+
- 1.Qh4?
- 1...Be2
- 2.Qxh3#
- 1...Bd3
- 2.Qxh3#
- 1...Bc4
- 2.Qxh3#
- 1...Bb5
- 2.Qxh3#
- 1...Ba6
- 2.Qxh3#
- 1...h2
- 2.Qxh2#
- 1...Bg2!
- 1...Be2
- 1.Qh5?
- 1...Be2
- 2.Qxh3#
- 1...Bd3
- 2.Qxh3#
- 1...Bc4
- 2.Qxh3#
- 1...Bb5
- 2.Qxh3#
- 1...Ba6
- 2.Qxh3#
- 1...h2
- 2.Qxh2#
- 1...Bg2!
- 1...Be2
- 1.Qh7?
- 1...Be2
- 2.Qxh3#
- 1...Bd3
- 2.Qxh3#
- 1...Bc4
- 2.Qxh3#
- 1...Bb5
- 2.Qxh3#
- 1...Ba6
- 2.Qxh3#
- 1...h2
- 2.Qxh2#
- 1...Bg2!
- 1...Be2
- 1.Qh8?
- 1...Be2
- 2.Qxh3#
- 1...Bd3
- 2.Qxh3#
- 1...Bc4
- 2.Qxh3#
- 1...Bb5
- 2.Qxh3#
- 1...Ba6
- 2.Qxh3#
- 1...h2
- 2.Qxh2#
- 1...Bg2!
- 1...Be2
- 1.Kg3?
- Keys
- 1.Sd3!
- 1...Kg2
- 2.Qxh3#
- 1...Bxd3
- 2.Qxh3#
- 1...Bg2
- 2.Sf2#
- 1...Be2
- 2.Qxh3#
- 1...h2
- 2.Qxh2#
- 1...Kg2
- 1.Sd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD,P_PINS(A)::QAR2(D),XP(c)
- B(a);N_GUARD::QAR2(D),XP(c)
- P(c);OGATE::QAR1(D),XP(c)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- B(a);N_GUARD::QAR2(D),XP(c)
- P(c);OGATE::QAR1(D),XP(c)
- Refutation
- B(a);
- Try
- K(C);P-FLIGHT
- Vars
- B(a);N_GUARD::QAR2(D),XP(c)
- P(c);OGATE::QAR1(D),XP(c)
- Refutation
- B(a);
- Try
- S(B);
- Vars
- B(a);N_GUARD,P_PINS(A),XS(B)::QAR2(D),XP(c)
- B(a);SBLOCK::S(B)
- P(c);OGATE::QAR1(D),XP(c)
- Refutation
- K(b);N_SPINP(c),S_FLIGHT
- Try
- S(B);XP(c)
- Vars
- B(a);CHECK,OGATE,P_SPINB(a),XS(B)::QAR2(D),XB(a)
- B(a);SBLOCK::QAR(D)+S(B),DCHECK
- B(a);N_GUARD,P_PINS(A)::QAR(D)+S(B)
- B(a);N_GUARD::QAR(D)+S(B)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(D);
- Vars
- B(a);N_GUARD,P_PINS(A)::QAR2(D),XP(c)
- B(a);N_GUARD::QAR2(D),XP(c)
- P(c);OGATE::QAR1(D),XP(c)
- Refutation
- B(a);
- Try
- Q(D);
- Vars
- B(a);N_GUARD,P_PINS(A)::QAR2(D),XP(c)
- B(a);N_GUARD::QAR2(D),XP(c)
- P(c);OGATE::QAR1(D),XP(c)
- Refutation
- B(a);
- Try
- Q(D);
- Vars
- B(a);N_GUARD,P_PINS(A)::QAR2(D),XP(c)
- B(a);N_GUARD::QAR2(D),XP(c)
- P(c);OGATE::QAR1(D),XP(c)
- Refutation
- B(a);
- Try
- Q(D);
- Vars
- B(a);N_GUARD,P_PINS(A)::QAR2(D),XP(c)
- B(a);N_GUARD::QAR2(D),XP(c)
- P(c);OGATE::QAR1(D),XP(c)
- Refutation
- B(a);
- Try
- Actual
- S(B);
- Vars
- K(b);N_SPINP(c),S_FLIGHT::QAB1(D),XP(c)
- B(a);N_GUARD,XS(B)::QAR2(D),XP(c)
- B(a);SBLOCK::S(B)
- B(a);N_GUARD,P_PINS(A)::QAR2(D),XP(c)
- P(c);OGATE::QAR1(D),XP(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).