MESON Chess Problem Database
Problem Display
PID: 193468 (1nnN4/1K1p1R2/1p1k4/1R1B4/5p2/p6p/1BP2p2/qb4rQ w - - 0 1)
Prochazka, Hubert
Casopis ceskoslovenskych sachistu, 1915
#2
8 + 12
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Se7
- 2.Rf6#
- 1...Se7
- Tries
- 1.Bxa3+?
- 1...Ke5
- 2.Qe4#
- 1...Qxa3!
- 1...Ke5
- 1.Ba2?
- threat
- 2.Bxa3#
- 2.Rd5#
- 2.Qd5#
- 1...Qxb2
- 2.Rd5#
- 2.Qd5#
- 1...Qxa2
- 2.Be5#
- 1...Rxh1
- 2.Bxa3#
- 2.Rd5#
- 1...Bxa2
- 2.Bxa3#
- 1...axb2
- 2.Rd5#
- 2.Qd5#
- 1...Rd1
- 2.Bxa3#
- 2.Qxd1#
- 1...Rg2
- 2.Bxa3#
- 2.Rd5#
- 2.Qd1#
- 1...Rg3
- 2.Rd5#
- 2.Qd5#
- 1...Sa6
- 2.Rd5#
- 2.Qd5#
- 1...Sc6
- 2.Rd5#
- 2.Qd5#
- 1...Se7
- 2.Bxa3#
- 2.Rf6#
- 1...f3
- 2.Bxa3#
- 2.Rd5#
- 1...Rg5!
- threat
- 1.Bb3?
- threat
- 2.Rd5#
- 2.Qd5#
- 1...Rxh1
- 2.Rd5#
- 1...Rd1
- 2.Qxd1#
- 1...Rg2
- 2.Rd5#
- 2.Qd1#
- 1...Se7
- 2.Rf6#
- 1...f3
- 2.Rd5#
- 1...Rg5!
- threat
- 1.Bf3?
- threat
- 2.Rd5#
- 1...Qa2
- 2.Be5#
- 1...Rd1
- 2.Qxd1#
- 1...Ba2
- 2.Bxa3#
- 1...Se7
- 2.Rf6#
- 1...Rg5!
- threat
- 1.Bc4?
- threat
- 2.Rd5#
- 2.Qd5#
- 1...Rxh1
- 2.Rd5#
- 1...Rd1
- 2.Qxd1#
- 1...Rg2
- 2.Rd5#
- 2.Qd1#
- 1...Se7
- 2.Rf6#
- 1...f3
- 2.Rd5#
- 1...Rg5!
- threat
- 1.Be4?
- threat
- 2.Rd5#
- 1...Qa2
- 2.Be5#
- 1...Rd1
- 2.Qxd1#
- 1...Ba2
- 2.Bxa3#
- 1...Se7
- 2.Rf6#
- 1...Rg5!
- threat
- 1.Qe4?
- threat
- 2.Rf6#
- 2.Qb4#
- 2.Qxf4#
- 2.Qe5#
- 1...axb2
- 2.Rf6#
- 2.Qxf4#
- 1...f1Q
- 2.Rf6#
- 2.Qb4#
- 2.Qe5#
- 1...f1R
- 2.Rf6#
- 2.Qb4#
- 2.Qe5#
- 1...Rg5
- 2.Rf6#
- 2.Qb4#
- 1...Re1
- 2.Rf6#
- 2.Qb4#
- 1...Rg4
- 2.Rf6#
- 2.Qb4#
- 2.Qe5#
- 1...Rg6
- 2.Qxg6#
- 2.Qb4#
- 2.Qxf4#
- 2.Qe5#
- 1...Sa6
- 2.Rf6#
- 2.Qxf4#
- 2.Qe5#
- 1...Sc6
- 2.Rf6#
- 1...f3
- 2.Rf6#
- 2.Qb4#
- 2.Qf4#
- 2.Qe5#
- 1...Qxb2!
- threat
- 1.Bxa3+?
- Keys
- 1.Bg2!
- threat
- 2.Rd5#
- 1...Rxg2
- 2.Qd1#
- 1...hxg2
- 2.Qh6#
- 1...Qa2
- 2.Be5#
- 1...Rd1
- 2.Qxd1#
- 1...Ba2
- 2.Bxa3#
- 1...Se7
- 2.Rf6#
- 1...f3
- 2.Qh2#
- threat
- 1.Bg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(l);SBLOCK::R(G)
- Tries
- Try
- B(B);CHECK,XP(e)
- Vars
- K(i);S_FLIGHT::QAR1(A)
- Refutation
- Q(a);XB(B)
- Try
- B(E);
- Threat
- DUALS(3)
- Vars
- Q(a);N_GUARD,XB(E)::B(B)
- B(b);XB(E)::B(B),XP(e)
- Refutation
- R(c);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(c);XQ(A)::R1(D)
- R(c);OGATE::QAR(A),XR(c)
- S(l);SBLOCK::R(G)
- P(g);::R1(D)
- Refutation
- R(c);
- Try
- B(E);
- Threat
- R1(D)
- Vars
- Q(a);N_GUARD::B(B)
- R(c);OGATE::QAR(A),XR(c)
- B(b);S_CUTQ(a)::B(B),XP(e)
- S(l);SBLOCK::R(G)
- Refutation
- R(c);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(c);XQ(A)::R1(D)
- R(c);OGATE::QAR(A),XR(c)
- S(l);SBLOCK::R(G)
- P(g);::R1(D)
- Refutation
- R(c);
- Try
- B(E);
- Threat
- R1(D)
- Vars
- Q(a);N_GUARD::B(B)
- R(c);OGATE::QAR(A),XR(c)
- B(b);S_CUTQ(a)::B(B),XP(e)
- S(l);SBLOCK::R(G)
- Refutation
- R(c);
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- S(k);::R(G)
- Refutation
- Q(a);XB(B)
- Try
- Actual
- B(E);
- Threat
- R1(D)
- Vars
- R(c);OGATE,XB(E)::QAR(A)
- P(f);OGATE,XB(E)::QAR(A)
- Q(a);N_GUARD::B(B)
- R(c);OGATE::QAR(A),XR(c)
- B(b);S_CUTQ(a)::B(B),XP(e)
- S(l);SBLOCK::R(G)
- P(g);OGATEB::QAB(A)
Developed and maintained by Brian Stephenson.
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