MESON Chess Problem Database
Problem Display
PID: 104340 (8/R5N1/1r1p1k1p/1p6/3NPp2/2R4K/5pQb/B7 w - - 0 1)
Haralovic, Mato
Canadian Chess Chat, 1980
#2
8 + 8
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2011 |
SOLUTION
- SOUND
- Tries
- 1.Sb3?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rcc7#
- 2.Rc8#
- 1...Ke5
- 2.Rc1#
- 2.Rc2#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rcc7#
- 2.Rc8#
- 1...Rb7
- 2.Rc7#
- 1...Bg3
- 2.Rxg3#
- 1...f1Q
- 2.Rc1#
- 1...f1R
- 2.Rc1#
- 1...Rc6
- 2.Rc4#
- 2.Rc5#
- 2.Rxc6#
- 1...f3
- 2.Rxf3#
- 1...d5
- 2.Rc6#
- 1...Ra6!
- threat
- 1.Sf3?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rca3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rcc7#
- 2.Rc8#
- 1...Rb7
- 2.Rc7#
- 1...f1Q
- 2.Rc1#
- 1...f1R
- 2.Rc1#
- 1...Ra6
- 2.Ra3#
- 1...Rc6
- 2.Rc4#
- 2.Rc5#
- 2.Rxc6#
- 1...d5
- 2.Rc6#
- 2.e5#
- 1...Bg3!
- threat
- 1.Sxb5?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rca3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rcc7#
- 2.Rc8#
- 1...Ke5
- 2.Rc1#
- 2.Rc2#
- 2.Rca3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rcc7#
- 2.Rc8#
- 1...Rb7
- 2.Rc7#
- 1...Bg3
- 2.Rxg3#
- 1...f1Q
- 2.Rc1#
- 1...f1R
- 2.Rc1#
- 1...Ra6
- 2.Ra3#
- 1...Rc6
- 2.Rc4#
- 2.Rc5#
- 2.Rxc6#
- 1...f3
- 2.Rxf3#
- 1...d5
- 2.Rc6#
- 1...Rxb5!
- threat
- 1.Sdf5?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rca3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rcc7#
- 2.Rc8#
- 1...Ke5
- 2.Rc1#
- 2.Rc2#
- 2.Rca3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rcc7#
- 2.Rc8#
- 1...Rb7
- 2.Rc7#
- 1...Bg3
- 2.Rxg3#
- 1...f1Q
- 2.Rc1#
- 1...f1R
- 2.Rc1#
- 1...Ra6
- 2.Ra3#
- 1...Rc6
- 2.Rc4#
- 2.Rc5#
- 2.Rxc6#
- 1...d5
- 2.Rc6#
- 1...f3!
- threat
- 1.Sc6?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rca3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rc4#
- 2.Rc5#
- 1...Rxc6
- 2.Rc4#
- 2.Rc5#
- 2.Rxc6#
- 1...Bg3
- 2.Rxg3#
- 1...f1Q
- 2.Rc1#
- 1...f1R
- 2.Rc1#
- 1...Ra6
- 2.Ra3#
- 1...f3
- 2.Rxf3#
- 1...d5
- 2.e5#
- 1...Rb7!
- threat
- 1.Sde6?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rca3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rcc7#
- 2.Rc8#
- 1...Ke5
- 2.Rc1#
- 2.Rc2#
- 2.Rca3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rcc7#
- 2.Rc8#
- 1...Rb7
- 2.Rc7#
- 1...Bg3
- 2.Rxg3#
- 1...f1Q
- 2.Rc1#
- 1...f1R
- 2.Rc1#
- 1...Ra6
- 2.Ra3#
- 1...Rc6
- 2.Rc4#
- 2.Rc5#
- 2.Rxc6#
- 1...f3
- 2.Rxf3#
- 1...d5!
- threat
- 1.Qg6+?
- 1...Ke5
- 2.Sf3#
- 1...Kxg6!
- 1...Ke5
- 1.e5+?
- 1...dxe5
- 2.Sh5#
- 2.Se8#
- 1...Kxe5!
- 1...dxe5
- 1.Sb3?
- Keys
- 1.Se2!
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rca3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rcc7#
- 2.Rc8#
- 1...Ke5
- 2.Rc1#
- 2.Rc2#
- 2.Rca3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rcc7#
- 2.Rc8#
- 1...Rb7
- 2.Rc7#
- 1...Bg3
- 2.Rxg3#
- 1...f1Q
- 2.Rc1#
- 1...f1R
- 2.Rc1#
- 1...Ra6
- 2.Ra3#
- 1...Rc6
- 2.Rc4#
- 2.Rc5#
- 2.Rxc6#
- 1...f3
- 2.Rxf3#
- 1...d5
- 2.Rc6#
- threat
- 1.Se2!
Anticipated by 36551(1973)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(E);
- Threat
- DUALS(11)
- Vars
- R(e);::B(A)+R(C)
- B(b);::B(A)+R(C),XB(b)
- P(a);P_PINQ(B)::B(A)+R(C)
- P(a);::B(A)+R(C)
- P(c);::B(A)+R(C),DCHECK,XP(c)
- P(f);::B(A)+R(C),DCHECK
- Refutation
- R(e);
- Try
- S(E);
- Threat
- DUALS(11)
- Vars
- R(e);::B(A)+R(C)
- P(a);P_PINQ(B)::B(A)+R(C)
- P(a);::B(A)+R(C)
- Refutation
- B(b);
- Try
- S(E);XP(d)
- Threat
- DUALS(13)
- Vars
- R(e);::B(A)+R(C)
- B(b);::B(A)+R(C),XB(b)
- P(a);P_PINQ(B)::B(A)+R(C)
- P(a);::B(A)+R(C)
- P(c);::B(A)+R(C),DCHECK,XP(c)
- P(f);::B(A)+R(C),DCHECK
- Refutation
- R(e);XS(E)
- Try
- S(E);
- Threat
- DUALS(13)
- Vars
- R(e);::B(A)+R(C)
- B(b);::B(A)+R(C),XB(b)
- P(a);P_PINQ(B)::B(A)+R(C)
- P(a);::B(A)+R(C)
- P(f);::B(A)+R(C),DCHECK
- Refutation
- P(c);
- Try
- S(E);
- Threat
- DUALS(10)
- Vars
- B(b);::B(A)+R(C),XB(b)
- P(a);P_PINQ(B)::B(A)+R(C)
- P(a);::B(A)+R(C)
- R(e);::B(A)+R(C)
- P(c);::B(A)+R(C),DCHECK,XP(c)
- P(f);N_GUARD::P(F)
- Refutation
- R(e);
- Try
- S(E);
- Threat
- DUALS(13)
- Vars
- R(e);::B(A)+R(C)
- B(b);::B(A)+R(C),XB(b)
- P(a);P_PINQ(B)::B(A)+R(C)
- P(a);::B(A)+R(C)
- P(c);::B(A)+R(C),DCHECK,XP(c)
- Refutation
- P(f);
- Try
- Q(B);CHECK
- Vars
- K(g);S_FLIGHT::S(E)
- Refutation
- K(g);P-FLIGHT,XQ(B)
- Try
- P(F);CHECK
- Refutation
- K(g);S_FLIGHT,XP(F)
- Try
- Actual
- S(E);
- Threat
- DUALS(13)
- Vars
- R(e);::B(A)+R(C)
- B(b);::B(A)+R(C),XB(b)
- P(a);P_PINQ(B)::B(A)+R(C)
- P(a);::B(A)+R(C)
- P(c);::B(A)+R(C),DCHECK,XP(c)
- P(f);::B(A)+R(C),DCHECK
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