MESON Chess Problem Database
Problem Display
PID: 50042 (q3Q1N1/1p3N1K/2r4p/RB5k/5P1p/3R3P/4r3/b1n5 w - - 0 1)
Hermanson, Halvar
2/3 Prize, 03. FIDE Ty. (FIDE Review), 1961
#2
9 + 9
| 3749 | FIDE Album (1959-1961) | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Rb2
- 2.Rd5#
- 2.Qe5#
- 1...Rc3
- 2.Sf6#
- 1...Sa2
- 2.Qxe2#
- 1...Sb3
- 2.Qxe2#
- 1...Sxd3
- 2.Qxe2#
- 1...Rb2
- Tries
- 1.Se5+?
- 1...Rg6
- 2.Sf6#
- 2.Qxg6#
- 1...Qxe8!
- 1...Rg6
- 1.Sd8+?
- 1...Rg6
- 2.Qxg6#
- 1...Rxe8!
- 1...Rg6
- 1.Bxc6+?
- 1...Qxa5
- 2.Se5#
- 2.Bf3#
- 1...Re5
- 2.Sd8#
- 2.Sf6#
- 2.Bf3#
- 1...Be5
- 2.Sd8#
- 2.Sf6#
- 2.Bf3#
- 1...b5!
- 1...Qxa5
- 1.Rc3?
- threat
- 2.Bxe2#
- 1...Rxe8
- 2.Be2#
- 1...Re5
- 2.Qxe5#
- 1...Re1
- 2.Be2#
- 1...Ra2
- 2.Be2#
- 2.Qe5#
- 1...Rb2
- 2.Be2#
- 2.Qe5#
- 1...Rc2
- 2.Be2#
- 2.Qe5#
- 1...Rd2
- 2.Be2#
- 2.Qe5#
- 1...Rf2
- 2.Be2#
- 2.Qe5#
- 1...Rg2
- 2.Be2#
- 1...Rh2
- 2.Be2#
- 2.Qe5#
- 1...Re3
- 2.Be2#
- 1...Re4
- 2.Be2#
- 1...Ree6
- 2.Be2#
- 1...Re7
- 2.Be2#
- 1...Rc4
- 2.Sf6#
- 1...Rc5
- 2.Sf6#
- 1...Sd3
- 2.Qxe2#
- 1...Qxa5!
- threat
- 1.Re3?
- threat
- 2.Bxe2#
- 1...Qxa5
- 2.Sd6#
- 1...Rxe3
- 2.Be2#
- 1...Re1
- 2.Be2#
- 1...Ra2
- 2.Be2#
- 1...Rb2
- 2.Be2#
- 2.Re5#
- 2.Qe5#
- 1...Rec2
- 2.Be2#
- 1...Rd2
- 2.Be2#
- 1...Rf2
- 2.Be2#
- 1...Rg2
- 2.Be2#
- 1...Rh2
- 2.Be2#
- 1...Rc4
- 2.Sd8#
- 1...Rc5
- 2.Sd8#
- 1...Be5
- 2.Qxe5#
- 1...Sd3!
- threat
- 1.Rd4?
- threat
- 2.Bxe2#
- 1...Rxe8
- 2.Be2#
- 1...Re5
- 2.Qxe5#
- 1...Re1
- 2.Be2#
- 1...Ra2
- 2.Be2#
- 2.Qe5#
- 1...Rb2
- 2.Be2#
- 2.Rd5#
- 2.Qe5#
- 1...Rec2
- 2.Be2#
- 2.Qe5#
- 1...Rd2
- 2.Be2#
- 2.Qe5#
- 1...Rf2
- 2.Be2#
- 2.Qe5#
- 1...Rg2
- 2.Be2#
- 1...Rh2
- 2.Be2#
- 2.Qe5#
- 1...Re3
- 2.Be2#
- 1...Re4
- 2.Be2#
- 1...Ree6
- 2.Be2#
- 1...Re7
- 2.Be2#
- 1...Rc4
- 2.Sf6#
- 1...Rc5
- 2.Sf6#
- 1...Sd3
- 2.Qxe2#
- 1...Qxa5!
- threat
- 1.Se5+?
- Keys
- 1.Rd6!
- threat
- 2.Bxe2#
- 1...Qxa5
- 2.Se5#
- 1...Rxe8
- 2.Be2#
- 1...Re5
- 2.Sf6#
- 1...Re1
- 2.Be2#
- 1...Ra2
- 2.Sd8#
- 2.Be2#
- 1...Rb2
- 2.Sd8#
- 2.Sf6#
- 2.Be2#
- 2.Rd5#
- 2.Qe5#
- 1...Rec2
- 2.Sd8#
- 2.Be2#
- 1...Rd2
- 2.Sd8#
- 2.Be2#
- 1...Rf2
- 2.Sd8#
- 2.Be2#
- 1...Rg2
- 2.Be2#
- 1...Rh2
- 2.Sd8#
- 2.Be2#
- 1...Re3
- 2.Be2#
- 1...Re4
- 2.Be2#
- 1...Re6
- 2.Be2#
- 1...Re7
- 2.Be2#
- 1...Rc4
- 2.Rxh6#
- 1...Rc5
- 2.Rxh6#
- 1...Be5
- 2.Sd8#
- 1...Sd3
- 2.Qxe2#
- threat
- 1.Rd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 3
- Sets
- R(f);N_GUARD,S_CUTB(a)::S(I)
- S(b);N_GUARD::QAB(H),XR(c)
- S(b);N_GUARD,XR(A)::QAB(H),XR(c)
- Tries
- Try
- S(F);CHECK
- Refutation
- Q(i);XQ(H)
- Try
- S(F);CHECK
- Vars
- R(f);N_GUARD,P_SPINR(f)::QAB1(H),XR(f)
- Refutation
- R(c);XQ(H)
- Try
- B(E);CHECK,XR(f)
- Refutation
- P(h);P_SPINP(h)
- Try
- R(A);
- Threat
- R(D)+B(E),DCHECK,XR(c)
- Vars
- R(c);XQ(H)::R(D)+B(E),DCHECK
- R(c);N_GUARD::QAR(H),XR(c)
- R(c);::R(D)+B(E),DCHECK
- R(c);P_PINS(F)::R(D)+B(E),DCHECK
- R(f);N_GUARD::S(I)
- S(b);N_GUARD::QAB(H),XR(c)
- Refutation
- Q(i);XR(D)
- Try
- R(A);
- Threat
- R(D)+B(E),DCHECK,XR(c)
- Vars
- Q(i);N_GUARD,SBLOCK,XR(D)::QAB(H)+S(F)
- R(c);XR(A)::R(D)+B(E),DCHECK
- R(c);::R(D)+B(E),DCHECK
- R(f);N_GUARD::QAB(H)+S(F)
- B(a);N_GUARD::QAR(H),XB(a)
- Refutation
- S(b);
- Try
- R(A);
- Threat
- R(D)+B(E),DCHECK,XR(c)
- Vars
- R(c);XQ(H)::R(D)+B(E),DCHECK
- R(c);N_GUARD::QAR(H),XR(c)
- R(c);::R(D)+B(E),DCHECK
- R(c);P_PINS(F)::R(D)+B(E),DCHECK
- R(f);N_GUARD::S(I)
- S(b);N_GUARD::QAB(H),XR(c)
- Refutation
- Q(i);XR(D)
- Try
- Actual
- R(A);
- Threat
- R(D)+B(E),DCHECK,XR(c)
- Vars
- Q(i);N_GUARD,SBLOCK,XR(D)::QAB(H)+S(F)
- R(c);XQ(H)::R(D)+B(E),DCHECK
- R(c);S_CUTB(a)::S(I)
- R(c);::R(D)+B(E),DCHECK
- R(c);P_PINS(F)::R(D)+B(E),DCHECK
- R(f);N_GUARD::R1(A),XP(g)
- B(a);S_CUTR(c)::QAB(H)+S(F)
- S(b);N_GUARD::QAB(H),XR(c)
Developed and maintained by Brian Stephenson.
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