MESON Chess Problem Database
Problem Display
PID: 175009 (6K1/8/2N1Np2/Q2nbk2/8/1B5P/4R3/8 w - - 0 1)
Jentz, Otto Frederick
Philadelphia Times, 1901
#2
7 + 4
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Se7#
- 2.Bc2#
- 1...Bb2
- 2.Se7#
- 2.Bc2#
- 1...Bh2
- 2.Se7#
- 2.Bc2#
- 1...Bc3
- 2.Se7#
- 2.Bc2#
- 1...Bg3
- 2.Se7#
- 2.Bc2#
- 1...Bd4
- 2.Se7#
- 2.Bc2#
- 1...Bf4
- 2.Se7#
- 2.Bc2#
- 1...Bd6
- 2.Bc2#
- 1...Bc7
- 2.Se7#
- 2.Bc2#
- 1...Bb8
- 2.Se7#
- 2.Bc2#
- 1...Sc3
- 2.Se7#
- 1...Sb4
- 2.Se7#
- 1...Sf4
- 2.Se7#
- 1...Sb6
- 2.Se7#
- 1...Sc7
- 2.Se7#
- 1...Se7+
- 2.Sxe7#
- 1...Ba1
- Tries
- 1.Kf7?
- threat
- 2.Bc2#
- 1...Sc3
- 2.Scd4#
- 2.Se7#
- 1...Sb4
- 2.Scd4#
- 2.Se7#
- 1...Sf4
- 2.Scd4#
- 2.Se7#
- 1...Se3!
- threat
- 1.Scd4+?
- 1...Bxd4
- 2.Bc2#
- 1...Kg6!
- 1...Bxd4
- 1.Qd8?
- 1...Se7+
- 2.Sxe7#
- 1...Kxe6
- 2.Sd4#
- 1...Se3
- 2.Qd3#
- 1...Ba1
- 2.Bc2#
- 1...Bb2
- 2.Bc2#
- 1...Bh2
- 2.Bc2#
- 1...Bc3
- 2.Bc2#
- 1...Bg3
- 2.Bc2#
- 1...Bd4
- 2.Bc2#
- 1...Bf4
- 2.Bc2#
- 1...Bd6
- 2.Bc2#
- 1...Bc7
- 2.Bc2#
- 1...Bb8
- 2.Bc2#
- 1...Sc3
- 2.Se7#
- 1...Sb4
- 2.Se7#
- 1...Sf4
- 2.Se7#
- 1...Sb6
- 2.Se7#
- 2.Qd3#
- 1...Sc7
- 2.Se7#
- 2.Qd3#
- 1...Kg6!
- 1...Se7+
- 1.Qa7?
- 1...Se7+
- 2.Sxe7#
- 1...Kg6
- 2.Qh7#
- 1...Se3
- 2.Qh7#
- 1...Ba1
- 2.Bc2#
- 2.Qh7#
- 1...Bb2
- 2.Bc2#
- 2.Qh7#
- 1...Bh2
- 2.Bc2#
- 2.Qh7#
- 1...Bc3
- 2.Bc2#
- 2.Qh7#
- 1...Bg3
- 2.Bc2#
- 2.Qh7#
- 1...Bd4
- 2.Bc2#
- 2.Qh7#
- 1...Bf4
- 2.Bc2#
- 2.Qh7#
- 1...Bd6
- 2.Bc2#
- 2.Qh7#
- 1...Bc7
- 2.Bc2#
- 1...Bb8
- 2.Bc2#
- 2.Qh7#
- 1...Sc3
- 2.Se7#
- 2.Qh7#
- 1...Sb4
- 2.Se7#
- 2.Qh7#
- 1...Sf4
- 2.Se7#
- 1...Sb6
- 2.Se7#
- 2.Qh7#
- 1...Sc7
- 2.Se7#
- 1...Kxe6!
- 1...Se7+
- 1.Kf7?
- Keys
- 1.Qc7!
- 1...Se7+
- 2.Sxe7#
- 1...Kxe6
- 2.Sd4#
- 1...Kg6
- 2.Qh7#
- 1...Bxc7
- 2.Bc2#
- 1...Sxc7
- 2.Se7#
- 1...Se3
- 2.Qh7#
- 1...Ba1
- 2.Bc2#
- 2.Qh7#
- 1...Bb2
- 2.Bc2#
- 2.Qh7#
- 1...Bh2
- 2.Bc2#
- 2.Qh7#
- 1...Bc3
- 2.Bc2#
- 2.Qh7#
- 1...Bg3
- 2.Bc2#
- 2.Qh7#
- 1...Bd4
- 2.Bc2#
- 2.Qh7#
- 1...Bf4
- 2.Bc2#
- 2.Qh7#
- 1...Bd6
- 2.Bc2#
- 2.Qh7#
- 1...Sc3
- 2.Se7#
- 2.Qh7#
- 1...Sb4
- 2.Se7#
- 2.Qh7#
- 1...Sf4
- 2.Se7#
- 1...Sb6
- 2.Se7#
- 2.Qh7#
- 1...Se7+
- 1.Qc7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- B(b);P_SPINS(a)::B(B)
- S(a);N_GUARD,P_SPINB(b)::S(E)
- S(a);CHECK,N_GUARD,P_SPINB(b)::S(E),XS(a)
- Tries
- Try
- K(G);S_FLIGHT
- Threat
- B(B)
- Refutation
- S(a);P_SPINB(b)
- Try
- S(E);CHECK
- Vars
- B(b);P_SPINS(a),XS(E)::B(B)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(D);
- Vars
- S(a);CHECK,N_GUARD::S(E),XS(a)
- K(c);P_SPINB(b),P_SPINS(a),S_FLIGHT,XS(F)::S(E)
- S(a);OGATE::QAB(D)
- B(b);::B(B)
- S(a);N_GUARD::S(E)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(D);
- Vars
- S(a);CHECK,N_GUARD::S(E),XS(a)
- K(c);S_FLIGHT::QAB1(D)
- S(a);::QAB(D)
- B(b);::B(B)
- S(a);N_GUARD::S(E)
- Refutation
- K(c);P_SPINB(b),P_SPINS(a),S_FLIGHT,XS(F)
- Try
- Actual
- Q(D);
- Vars
- S(a);CHECK,N_GUARD::S(E),XS(a)
- K(c);P_SPINB(b),P_SPINS(a),S_FLIGHT,XS(F)::S(E)
- K(c);S_FLIGHT::QAB1(D)
- B(b);XQ(D)::B(B)
- S(a);N_GUARD,XQ(D)::S(E)
- S(a);::QAB(D)
- S(a);N_GUARD::S(E)
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).