MESON Chess Problem Database
Problem Display
PID: 228050 (6B1/QP6/1P3B2/prkNN2R/bp6/1p2pP2/1K2P3/8 w - - 0 1)
Bogdanov, Evgeny Mikhailovich
Freie Presse, 1975
#2
11 + 7
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kd6
- 2.Be7#
- 1...Rxb6
- 2.Qxb6#
- 1...Kd6
- Tries
- 1.Se7?
- threat
- 2.Sc4#
- 1...Kd4
- 2.S5c6#
- 1...Kd6!
- threat
- 1.Sc4?
- threat
- 2.Se7#
- 1...Kxc4
- 2.Sxe3#
- 1...Kc6!
- threat
- 1.Bh4?
- 1...Kd6
- 2.Be7#
- 1...Rxb6
- 2.Qxb6#
- 1...Kd4!
- 1...Kd6
- 1.Bg7?
- 1...Kd6
- 2.Bf8#
- 1...Rxb6
- 2.Qxb6#
- 1...Kd4!
- 1...Kd6
- 1.Bd8?
- 1...Kd6
- 2.Be7#
- 1...Rxb6
- 2.Qxb6#
- 1...Kd4!
- 1...Kd6
- 1.Bf7?
- 1...Kd6
- 2.Be7#
- 1...Rxb6
- 2.Qxb6#
- 1...Kd4!
- 1...Kd6
- 1.Rh4?
- threat
- 2.Be7#
- 1...Rxb6
- 2.Qxb6#
- 1...Kd6!
- threat
- 1.Rf5?
- 1...Kd6
- 2.Be7#
- 1...Rxb6
- 2.Qxb6#
- 1...Kd4!
- 1...Kd6
- 1.Rg5?
- 1...Kd6
- 2.Be7#
- 1...Rxb6
- 2.Qxb6#
- 1...Kd4!
- 1...Kd6
- 1.Qa6?
- 1...Kd6
- 2.Be7#
- 1...Rxb6
- 2.Qxb6#
- 1...Kd4!
- 1...Kd6
- 1.f4?
- 1...Kd6
- 2.Be7#
- 1...Rxb6
- 2.Qxb6#
- 1...Kd4!
- 1...Kd6
- 1.b8Q?
- 1...Rxb6
- 2.Qaxb6#
- 2.Qbxb6#
- 1...Kd4!
- 1...Rxb6
- 1.b8S?
- 1...Kd6
- 2.Be7#
- 2.Qc7#
- 2.Qe7#
- 1...Rxb6
- 2.Qxb6#
- 1...Kd4!
- 1...Kd6
- 1.b8B?
- 1...Rxb6
- 2.Qxb6#
- 1...Kd4!
- 1...Rxb6
- 1.b8R?
- 1...Kd6
- 2.Be7#
- 2.Qc7#
- 2.Qe7#
- 1...Rxb6
- 2.Qxb6#
- 1...Kd4!
- 1...Kd6
- 1.Se7?
- Keys
- 1.Bg5!
- 1...Kd4
- 2.Bxe3#
- 1...Kd6
- 2.Be7#
- 1...Rxb6
- 2.Qxb6#
- 1...Kd4
- 1.Bg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(g);S_FLIGHT::B(H)
- R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(f)
- Tries
- Try
- S(D);
- Threat
- R(F)+S(E)
- Vars
- K(g);S_FLIGHT::B(H)+S(E),DCHECK
- Refutation
- K(g);S_FLIGHT
- Try
- S(E);
- Threat
- R(F)+S(D)
- Vars
- K(g);P-FLIGHT,XS(E)::B(K)+S(D),DCHECK,XP(b)
- Refutation
- K(g);P-FLIGHT
- Try
- B(H);
- Vars
- K(g);S_FLIGHT::B(H)
- R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(f)
- Refutation
- K(g);S_FLIGHT
- Try
- B(H);
- Vars
- K(g);S_FLIGHT::B(H)
- R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(f)
- Refutation
- K(g);S_FLIGHT
- Try
- B(H);
- Vars
- K(g);S_FLIGHT::B(H)
- R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(f)
- Refutation
- K(g);S_FLIGHT
- Try
- B(K);
- Vars
- K(g);S_FLIGHT::B(H)
- R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(f)
- Refutation
- K(g);S_FLIGHT
- Try
- R(F);
- Threat
- B(H)
- Vars
- R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(f)
- Refutation
- K(g);S_FLIGHT
- Try
- R(F);
- Vars
- K(g);S_FLIGHT::B(H)
- R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(f)
- Refutation
- K(g);S_FLIGHT
- Try
- R(F);
- Vars
- K(g);S_FLIGHT::B(H)
- R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(f)
- Refutation
- K(g);S_FLIGHT
- Try
- Q(I);
- Vars
- K(g);S_FLIGHT::B(H)
- R(f);OGATE,XP(G)::QAB1(I),XR(f)
- Refutation
- K(g);S_FLIGHT
- Try
- P(C);
- Vars
- K(g);S_FLIGHT::B(H)
- R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(f)
- Refutation
- K(g);S_FLIGHT
- Try
- P(J);
- Refutation
- K(g);S_FLIGHT
- Try
- P(J);
- Vars
- R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(f)
- Refutation
- K(g);S_FLIGHT
- Try
- P(J);
- Vars
- R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(f)
- Refutation
- K(g);S_FLIGHT
- Try
- P(J);
- Vars
- R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(f)
- Refutation
- K(g);S_FLIGHT
- Try
- Actual
- B(H);
- Vars
- K(g);S_FLIGHT::B(H),XP(b)
- K(g);S_FLIGHT::B(H)
- R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(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).