MESON Chess Problem Database
Problem Display
PID: 73038 (r3b3/k2pRNq1/1R3B2/2Q4r/4P2p/K4N2/7b/8 w - - 0 1)
Hoffmann, Fritz
Neue Osnabrucker Zeitung, 1993
#2
8 + 8
| 6113 | Problemschach-Jahrbuch (1993) | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Qc7#
- 1...Rh6
- 2.Qa5#
- 1...Rh7
- 2.Qa5#
- 1...Rh8
- 2.Qa5#
- 1...Bg1
- 2.Qc7#
- 1...Be5
- 2.Qa5#
- 1...Bc7
- 2.Qxc7#
- 1...Re5
- Tries
- 1.S3e5?
- threat
- 2.Sc6#
- 2.Qa5#
- 2.Qc7#
- 1...Qxf6
- 2.Qa5#
- 2.Qc7#
- 1...Rxe5
- 2.Qc7#
- 1...Bxe5
- 2.Qa5#
- 1...Rb8
- 2.Qa5#
- 1...Rc8
- 2.Qa5#
- 1...Rd8
- 2.Qa5#
- 1...Qg3+!
- threat
- 1.S7e5?
- threat
- 2.Sc6#
- 2.Qa5#
- 2.Qc7#
- 1...Qxf6
- 2.Qa5#
- 2.Qc7#
- 1...Rxe5
- 2.Qc7#
- 1...Bxe5
- 2.Qa5#
- 1...Rb8
- 2.Qa5#
- 1...Rc8
- 2.Qa5#
- 1...Rd8
- 2.Qa5#
- 1...Qxe7!
- threat
- 1.Be5?
- threat
- 2.Qa5#
- 2.Qc7#
- 1...Rxe5
- 2.Qc7#
- 1...Bxe5
- 2.Qa5#
- 1...Rb8
- 2.Qa5#
- 1...Rc8
- 2.Qa5#
- 1...Rd8
- 2.Qa5#
- 1...Qxe5!
- threat
- 1.Rb1+?
- 1...Ka6
- 2.Qb6#
- 1...Rxc5!
- 1...Ka6
- 1.Rb2+?
- 1...Ka6
- 2.Qb6#
- 1...Rxc5!
- 1...Ka6
- 1.Rb3+?
- 1...Ka6
- 2.Qb6#
- 1...Rxc5!
- 1...Ka6
- 1.Rb4+?
- 1...Ka6
- 2.Qb6#
- 1...Rxc5!
- 1...Ka6
- 1.Rb5+?
- 1...Ka6
- 2.Qb6#
- 1...Rxc5!
- 1...Ka6
- 1.Rb7+?
- 1...Ka6
- 2.Qb6#
- 1...Kxb7+!
- 1...Ka6
- 1.Re5?
- threat
- 2.Qa5#
- 2.Qc7#
- 1...Rxe5
- 2.Qc7#
- 1...Bxe5
- 2.Qa5#
- 1...Rb8
- 2.Qa5#
- 1...Rc8
- 2.Qa5#
- 1...Rd8
- 2.Qa5#
- 1...Qf8!
- threat
- 1.Rxd7+?
- 1...Bc7
- 2.Rxc7#
- 2.Qxc7#
- 1...Bxd7!
- 1...Bc7
- 1.S3e5?
- Keys
- 1.e5!
- threat
- 2.Qa5#
- 2.Qc7#
- 1...Rxe5
- 2.Qc7#
- 1...Bxe5
- 2.Qa5#
- 1...Rb8
- 2.Qa5#
- 1...Rc8
- 2.Qa5#
- 1...Rd8
- 2.Qa5#
- threat
- 1.e5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(c);S_CUTB(a)::QAR2(D)
- R(c);N_GUARD::QAR2(D)
- R(c);N_GUARD,SBLOCK::QAR2(D)
- B(a);N_GUARD::QAR2(D)
- B(a);S_CUTR(c)::QAR2(D)
- B(a);N_GUARD,N_SPINP(e)::QAR2(D),XB(a)
- Tries
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- R(c);XS(B)::QAR2(D)
- B(a);XS(B)::QAR2(D)
- R(g);::QAR2(D)
- Refutation
- Q(f);CHECK
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- R(c);XS(H)::QAR2(D)
- B(a);XS(H)::QAR2(D)
- R(g);::QAR2(D)
- Refutation
- Q(f);N_SPINP(e),P_PINQ(D),XR(G)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(c);XB(F)::QAR2(D)
- B(a);XB(F)::QAR2(D)
- R(g);::QAR2(D)
- Refutation
- Q(f);XB(F)
- Try
- R(E);CHECK
- Vars
- K(d);N_SPINP(e),P-FLIGHT::QAR1(D)
- Refutation
- R(c);XQ(D)
- Try
- R(E);CHECK
- Vars
- K(d);N_SPINP(e),P-FLIGHT::QAR1(D)
- Refutation
- R(c);XQ(D)
- Try
- R(E);CHECK
- Vars
- K(d);N_SPINP(e),P-FLIGHT::QAR1(D)
- Refutation
- R(c);XQ(D)
- Try
- R(E);CHECK
- Vars
- K(d);N_SPINP(e),P-FLIGHT::QAR1(D)
- Refutation
- R(c);XQ(D)
- Try
- R(E);CHECK
- Vars
- K(d);N_SPINP(e),P-FLIGHT::QAR1(D)
- Refutation
- R(c);XQ(D)
- Try
- R(E);CHECK,N_PINP(e)
- Vars
- K(d);P-FLIGHT::QAR1(D)
- Refutation
- K(d);CHECK,P-FLIGHT,P_SPINP(e),XR(E)
- Try
- R(G);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- R(c);XR(G)::QAR2(D)
- B(a);XR(G)::QAR2(D)
- R(g);::QAR2(D)
- Refutation
- Q(f);P_PINQ(D)
- Try
- R(G);CHECK,XP(e)
- Refutation
- B(h);XR(G)
- Try
- Actual
- P(C);
- Threat
- DUALS(2)
- Vars
- R(c);XP(C)::QAR2(D)
- B(a);XP(C)::QAR2(D)
- R(g);::QAR2(D)
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