MESON Chess Problem Database
Problem Display
PID: 239167 (3QbR2/p5N1/4p1pB/R2PN3/4kP2/2K1p3/4P1n1/8 w - - 0 1)
Hermanson, Halvar
Sachove umeni (Ceskoslovensky sach), 1956
#2
10 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ba4
- 2.Rxa4#
- 1...Bf7
- 2.Ra4#
- 1...exd5
- 2.Qxd5#
- 1...Ba4
- Tries
- 1.Sd3?
- threat
- 2.Sc5#
- 1...Sxf4
- 2.Rxf4#
- 1...Bd7!
- threat
- 1.Sc4?
- threat
- 2.Sd6#
- 1...Sxf4
- 2.Rxf4#
- 1...Bb5!
- threat
- 1.Sg4?
- threat
- 2.Sf6#
- 1...Sxf4
- 2.Rxf4#
- 1...g5!
- threat
- 1.Sd7?
- threat
- 2.Sc5#
- 2.Sf6#
- 1...Sxf4
- 2.Rxf4#
- 1...g5
- 2.Sc5#
- 1...Bxd7!
- threat
- 1.Sf7?
- threat
- 2.Sg5#
- 2.Sd6#
- 1...Bxf7
- 2.Ra4#
- 1...g5
- 2.Sxg5#
- 2.Sd6#
- 1...Bb5
- 2.Sg5#
- 1...Sxf4!
- threat
- 1.Sxe8?
- threat
- 2.Sd6#
- 2.Ra4#
- 1...exd5
- 2.Sd6#
- 2.Qxd5#
- 1...Sxf4!
- threat
- 1.Rxe8?
- threat
- 2.Ra4#
- 1...exd5
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sd7#
- 2.Sf7#
- 2.Qxd5#
- 1...Sxf4!
- threat
- 1.Qb6?
- threat
- 2.Qd4#
- 2.Qb1#
- 2.Qb4#
- 1...Sxf4
- 2.Qd4#
- 1...exd5
- 2.Qd4#
- 2.Qb1#
- 1...Bb5
- 2.Qd4#
- 1...Ba4
- 2.Qd4#
- 2.Qb4#
- 1...Se1
- 2.Qd4#
- 2.Qb4#
- 1...axb6!
- threat
- 1.Qd6?
- threat
- 2.Qb4#
- 1...Sxf4
- 2.Rxf4#
- 1...exd5
- 2.Qxd5#
- 1...Bb5!
- threat
- 1.Qb8?
- threat
- 2.Qb1#
- 2.Qb4#
- 1...Sxf4
- 2.Rxf4#
- 1...exd5
- 2.Qb1#
- 1...Ba4
- 2.Qb4#
- 1...Se1
- 2.Qb4#
- 1...Bb5!
- threat
- 1.Qxe8?
- threat
- 2.Qa4#
- 2.Qxg6#
- 1...exd5
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sd7#
- 2.Sf7#
- 2.Qxg6#
- 1...Sh4
- 2.Qa4#
- 1...g5
- 2.Qa4#
- 2.Qg6#
- 1...Sxf4!
- threat
- 1.dxe6?
- threat
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Sxf4
- 2.Rxf4#
- 2.Qd4#
- 1...Bb5
- 2.Qd4#
- 1...Bc6
- 2.Qd3#
- 2.Qd4#
- 1...Se1
- 2.Qd4#
- 2.Qd5#
- 1...Bd7!
- threat
- 1.Sd3?
- Keys
- 1.Sf3!
- threat
- 2.Sg5#
- 1...Sxf4
- 2.Rxf4#
- 1...Bf7
- 2.Ra4#
- 1...g5
- 2.Sxg5#
- threat
- 1.Sf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- B(g);N_GUARD::R(D),XB(g)
- B(g);N_GUARD::R(D)
- P(d);OGATE,XP(E)::QAB1(I),XP(d)
- Tries
- Try
- S(F);
- Threat
- S(F)
- Vars
- S(a);OGATE,XP(C)::R1(J),XS(a)
- Refutation
- B(g);
- Try
- S(F);
- Threat
- S(F)
- Vars
- S(a);OGATE,XP(C)::R1(J),XS(a)
- Refutation
- B(g);
- Try
- S(F);
- Threat
- S(F)
- Vars
- S(a);OGATE,XP(C)::R1(J),XS(a)
- Refutation
- P(e);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(a);OGATE,XP(C)::R1(J),XS(a)
- P(e);::S(F)
- Refutation
- B(g);XS(F)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- B(g);N_GUARD,XS(F)::R(D)
- B(g);::S(F)
- Refutation
- S(a);XP(C)
- Try
- S(H);XB(g)
- Threat
- DUALS(2)
- Refutation
- S(a);XP(C)
- Try
- R(J);XB(g)
- Threat
- R(D)
- Refutation
- S(a);XP(C)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- S(a);XP(C)::QAR1(I)
- B(g);::QAR1(I)
- Refutation
- P(f);XQ(I)
- Try
- Q(I);
- Threat
- QAR(I)
- Vars
- S(a);OGATE,XP(C)::R1(J),XS(a)
- P(d);OGATE,XP(E)::QAB1(I),XP(d)
- Refutation
- B(g);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- S(a);OGATE,XP(C)::R1(J),XS(a)
- P(d);XP(E)::QAB(I)
- B(g);::QAR(I)
- S(a);::QAR(I)
- Refutation
- B(g);
- Try
- Q(I);XB(g)
- Threat
- DUALS(2)
- Vars
- S(a);::QAR(I)
- Refutation
- S(a);XP(C)
- Try
- P(E);XP(d)
- Threat
- DUALS(3)
- Vars
- B(g);::QAR1(I)
- Refutation
- B(g);
- Try
- Actual
- S(F);
- Threat
- S(F)
- Vars
- S(a);OGATE,XP(C)::R1(J),XS(a)
- B(g);N_GUARD::R(D)
- P(e);::S(F),XP(e)
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