MESON Chess Problem Database
Problem Display
PID: 87290 (3B4/8/p3Q1p1/Rp4Kb/p2k2p1/P4pR1/3pP3/3B4 w - - 0 1)
Grinblat, Arieh
Israel Ring Ty., 1957
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kc3
- 2.Bf6#
- 1...Kc5
- 2.Bb6#
- 1...fxe2
- 2.Bb6#
- 1...f2
- 2.Bb6#
- 1...b4
- 2.Bf6#
- 1...Kc3
- Tries
- 1.Kf4?
- 1...Kc3
- 2.Bf6#
- 1...Kc5
- 2.Bb6#
- 1...fxe2
- 2.Bb6#
- 1...f2
- 2.Bb6#
- 1...b4
- 2.Bf6#
- 1...g5+!
- 1...Kc3
- 1.Kh4?
- 1...Kc3
- 2.Bf6#
- 1...Kc5
- 2.Bb6#
- 1...fxe2
- 2.Bb6#
- 1...f2
- 2.Bb6#
- 1...b4
- 2.Bf6#
- 1...g5+!
- 1...Kc3
- 1.Kh6?
- 1...Kc3
- 2.Bf6#
- 1...Kc5
- 2.Bb6#
- 1...fxe2
- 2.Bb6#
- 1...f2
- 2.Bb6#
- 1...b4
- 2.Bf6#
- 1...g5!
- 1...Kc3
- 1.Bc7?
- 1...Kc3
- 2.Be5#
- 1...Kc5
- 2.Bb6#
- 1...fxe2
- 2.Bb6#
- 1...f2
- 2.Bb6#
- 1...b4!
- 1...Kc3
- 1.Be7?
- 1...Kc3
- 2.Bf6#
- 1...f2
- 2.Rd3#
- 1...b4
- 2.Bf6#
- 1...fxe2!
- 1...Kc3
- 1.Rxf3?
- threat
- 2.Bb6#
- 1...Kc5
- 2.Bb6#
- 1...gxf3!
- threat
- 1.Rxg4+?
- 1...Kc3
- 2.Bf6#
- 2.Qe5#
- 2.Qf6#
- 1...Kc5
- 2.Bb6#
- 2.Be7#
- 2.Rc4#
- 1...Bxg4!
- 1...Kc3
- 1.Rxb5?
- threat
- 2.Bf6#
- 1...Kc3
- 2.Bf6#
- 1...axb5!
- threat
- 1.Rxa6?
- 1...Kc3
- 2.Bf6#
- 1...Kc5
- 2.Bb6#
- 1...fxe2
- 2.Bb6#
- 1...f2
- 2.Bb6#
- 1...b4!
- 1...Kc3
- 1.Qd5+?
- 1...Kc3
- 2.Bf6#
- 1...Ke3
- 2.Bb6#
- 1...Kxd5!
- 1...Kc3
- 1.Kf4?
- Keys
- 1.Qc6!
- 1...Ke3
- 2.Bb6#
- 1...Ke5
- 2.Bf6#
- 1...fxe2
- 2.Bf6#
- 1...b4
- 2.Bb6#
- 1...f2
- 2.Bf6#
- 1...Ke3
- 1.Qc6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- K(d);P_SPINP(b),S_FLIGHT::B(H)
- K(d);P_SPINP(f),S_FLIGHT::B(H)
- P(b);XP(B)::B(H)
- P(b);::B(H)
- P(f);::B(H)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- K(d);P_SPINP(b),S_FLIGHT::B(H)
- K(d);P_SPINP(f),S_FLIGHT::B(H)
- P(b);XP(B)::B(H)
- P(b);::B(H)
- P(f);::B(H)
- Refutation
- P(i);CHECK
- Try
- K(F);S_FLIGHT
- Vars
- K(d);P_SPINP(b),S_FLIGHT::B(H)
- K(d);P_SPINP(f),S_FLIGHT::B(H)
- P(b);XP(B)::B(H)
- P(b);::B(H)
- P(f);::B(H)
- Refutation
- P(i);CHECK
- Try
- K(F);S_FLIGHT
- Vars
- K(d);P_SPINP(b),S_FLIGHT::B(H)
- K(d);P_SPINP(f),S_FLIGHT::B(H)
- P(b);XP(B)::B(H)
- P(b);::B(H)
- P(f);::B(H)
- Refutation
- P(i);
- Try
- B(H);
- Vars
- K(d);P_SPINP(b),S_FLIGHT::B(H)
- K(d);P_SPINP(f),S_FLIGHT::B(H)
- P(b);XP(B)::B(H)
- P(b);::B(H)
- Refutation
- P(f);
- Try
- B(H);
- Vars
- K(d);P_SPINP(b),S_FLIGHT::B(H)
- P(b);OGATE::R1(D)
- P(f);::B(H)
- Refutation
- P(b);XP(B)
- Try
- R(D);XP(b)
- Threat
- B(H)
- Vars
- K(d);P_SPINP(f),S_FLIGHT::B(H)
- Refutation
- P(e);XR(D)
- Try
- R(D);CHECK,XP(e)
- Refutation
- B(g);XR(D)
- Try
- R(E);XP(f)
- Threat
- B(H)
- Vars
- K(d);P_SPINP(b),S_FLIGHT::B(H)
- Refutation
- P(h);XR(E)
- Try
- R(E);XP(h)
- Vars
- K(d);P_SPINP(b),S_FLIGHT::B(H)
- K(d);S_FLIGHT::B(H)
- P(b);XP(B)::B(H)
- P(b);::B(H)
- Refutation
- P(f);
- Try
- Q(G);CHECK
- Vars
- K(d);P_SPINP(b),S_FLIGHT::B(H)
- Refutation
- K(d);P-FLIGHT,P_SPINP(f),XQ(G)
- Try
- Actual
- Q(G);
- Vars
- K(d);P_SPINP(b),S_FLIGHT::B(H)
- K(d);P_SPINP(f),S_FLIGHT::B(H)
- P(b);XP(B)::B(H)
- P(f);::B(H)
- P(b);::B(H)
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).