MESON Chess Problem Database
Problem Display
PID: 77208 (8/4N3/1R1PkP1R/4N3/8/4b3/8/Q6K w - - 0 1)
Havel, Miroslav
Norsk Sjakkblad, 1920
#2
8 + 2
| 6024 | Bohemian Garnets | 1923 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.d7#
- 1...Bg1
- 2.f7#
- 1...Bd2
- 2.d7#
- 1...Bf2
- 2.f7#
- 1...Bf4
- 2.d7#
- 1...Bc5
- 2.f7#
- 1...Bg5
- 2.d7#
- 1...Bxb6
- 2.f7#
- 1...Bxh6
- 2.d7#
- 1...Bc1
- Tries
- 1.Kg2?
- 1...Bxb6
- 2.f7#
- 1...Bxh6
- 2.d7#
- 1...Bc1
- 2.d7#
- 1...Bg1
- 2.f7#
- 1...Bd2
- 2.d7#
- 1...Bf2
- 2.f7#
- 1...Bf4
- 2.d7#
- 1...Bc5
- 2.f7#
- 1...Bg5
- 2.d7#
- 1...Bd4!
- 1...Bxb6
- 1.Ra6?
- 1...Bxh6
- 2.d7#
- 1...Bb6
- 2.f7#
- 1...Bc1
- 2.d7#
- 1...Bg1
- 2.f7#
- 1...Bd2
- 2.d7#
- 1...Bf2
- 2.f7#
- 1...Bf4
- 2.d7#
- 1...Bc5
- 2.f7#
- 1...Bg5
- 2.d7#
- 1...Ba7
- 2.f7#
- 1...Bd4!
- 1...Bxh6
- 1.Rc6?
- threat
- 2.d7#
- 1...Bc5
- 2.f7#
- 1...Bd4!
- threat
- 1.Rg6?
- threat
- 2.f7#
- 1...Bg5
- 2.d7#
- 1...Bd4!
- threat
- 1.Qb2?
- 1...Bxb6
- 2.f7#
- 1...Bxh6
- 2.d7#
- 1...Bc1
- 2.d7#
- 1...Bg1
- 2.f7#
- 1...Bd2
- 2.d7#
- 1...Bf2
- 2.f7#
- 1...Bf4
- 2.d7#
- 1...Bc5
- 2.f7#
- 1...Bg5
- 2.d7#
- 1...Bd4!
- 1...Bxb6
- 1.Qc3?
- 1...Bxb6
- 2.f7#
- 1...Bxh6
- 2.d7#
- 1...Bc1
- 2.d7#
- 1...Bg1
- 2.f7#
- 1...Bd2
- 2.d7#
- 1...Bf2
- 2.f7#
- 1...Bf4
- 2.d7#
- 1...Bc5
- 2.f7#
- 1...Bg5
- 2.d7#
- 1...Bd4!
- 1...Bxb6
- 1.Qd4?
- threat
- 2.Qd5#
- 2.d7#
- 1...Bxh6
- 2.d7#
- 1...Bxd4!
- threat
- 1.Qa5?
- threat
- 2.Qd5#
- 1...Bxh6
- 2.d7#
- 1...Bc5!
- threat
- 1.Kg2?
- Keys
- 1.Qe1!
- 1...Kxe5
- 2.Qxe3#
- 1...Bxb6
- 2.f7#
- 1...Bxh6
- 2.d7#
- 1...Bc1
- 2.d7#
- 1...Bg1
- 2.f7#
- 1...Bd2
- 2.d7#
- 1...Bf2
- 2.f7#
- 1...Bd4
- 2.f7#
- 1...Bf4
- 2.d7#
- 1...Bc5
- 2.f7#
- 1...Bg5
- 2.d7#
- 1...Kxe5
- 1.Qe1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::R(D)+P(E)
- B(a);N_GUARD::R(G)+P(F)
- B(a);N_GUARD,XR(D)::R(G)+P(F)
- B(a);N_GUARD,XR(G)::R(D)+P(E)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- B(a);N_GUARD,XR(D)::R(G)+P(F)
- B(a);N_GUARD,XR(G)::R(D)+P(E)
- B(a);N_GUARD::R(D)+P(E)
- B(a);N_GUARD::R(G)+P(F)
- Refutation
- B(a);
- Try
- R(D);
- Vars
- B(a);N_GUARD,XR(G)::R(D)+P(E)
- B(a);N_GUARD::R(G)+P(F)
- B(a);N_GUARD::R(D)+P(E)
- Refutation
- B(a);
- Try
- R(D);
- Threat
- R(D)+P(E)
- Vars
- B(a);N_GUARD::R(G)+P(F)
- Refutation
- B(a);
- Try
- R(G);
- Threat
- R(G)+P(F)
- Vars
- B(a);N_GUARD::R(D)+P(E)
- Refutation
- B(a);
- Try
- Q(A);
- Vars
- B(a);N_GUARD,XR(D)::R(G)+P(F)
- B(a);N_GUARD,XR(G)::R(D)+P(E)
- B(a);N_GUARD::R(D)+P(E)
- B(a);N_GUARD::R(G)+P(F)
- Refutation
- B(a);
- Try
- Q(A);
- Vars
- B(a);N_GUARD,XR(D)::R(G)+P(F)
- B(a);N_GUARD,XR(G)::R(D)+P(E)
- B(a);N_GUARD::R(D)+P(E)
- B(a);N_GUARD::R(G)+P(F)
- Refutation
- B(a);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(a);XR(G)::R(D)+P(E)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- B(a);N_GUARD,XR(G)::R(D)+P(E)
- Refutation
- B(a);
- Try
- Actual
- Q(A);
- Vars
- K(b);OGATEB,P-FLIGHT,P_SPINB(a),XS(C)::QAR2(A),XB(a)
- B(a);N_GUARD,XR(D)::R(G)+P(F)
- B(a);N_GUARD,XR(G)::R(D)+P(E)
- B(a);N_GUARD::R(D)+P(E)
- B(a);N_GUARD::R(G)+P(F)
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).