MESON Chess Problem Database
Problem Display
PID: 48962 (1b3r2/5ppB/pQ5p/8/2r2k2/2p1RNpP/6P1/3NK3 w - - 0 1)
Hoffmann, Fritz
3rd HM., Het Belgisch Schaakbord (L'Echiquier Belge), 1978-1979
#2
8 + 10
| 5110 | Bekroonde Problemen | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Rb4
- 2.Qxb4#
- 1...Rd4
- 2.Qxd4#
- 1...Re4
- 2.Rxe4#
- 1...Rc5
- 2.Re4#
- 1...Rc6
- 2.Re4#
- 2.Qd4#
- 1...Rc7
- 2.Re4#
- 2.Qd4#
- 2.Qd6#
- 1...Rcc8
- 2.Re4#
- 2.Qd4#
- 1...Bd6
- 2.Qxd6#
- 1...Ba7
- 2.Qd6#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Rb4
- Tries
- 1.Sxc3?
- threat
- 2.Se2#
- 2.Sd5#
- 1...Rxc3
- 2.Re4#
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...Rc5
- 2.Re4#
- 1...Rd8
- 2.Se2#
- 1...g6!
- threat
- 1.Re2?
- threat
- 2.Qe3#
- 1...g6
- 2.Qf6#
- 1...Rd4
- 2.Qxd4#
- 1...Re4
- 2.Rxe4#
- 1...Rc5
- 2.Re4#
- 1...Ba7
- 2.Qd6#
- 1...Re8!
- threat
- 1.Re5?
- threat
- 2.Qe3#
- 1...Re4+
- 2.Rxe4#
- 1...Rd4
- 2.Qxd4#
- 1...Rc5
- 2.Re4#
- 1...Ba7!
- threat
- 1.Re6?
- threat
- 2.Qe3#
- 1...Re4+
- 2.Rxe4#
- 1...Rd4
- 2.Qxd4#
- 1...Rc5
- 2.Re4#
- 1...Ba7
- 2.Qd6#
- 1...g6!
- threat
- 1.Re8?
- threat
- 2.Qe3#
- 1...Re4+
- 2.Rxe4#
- 1...g6
- 2.Qf6#
- 1...Rd4
- 2.Qxd4#
- 1...Rc5
- 2.Re4#
- 1...Ba7
- 2.Qd6#
- 1...Rxe8+!
- threat
- 1.Qc5?
- threat
- 2.Qxc4#
- 2.Qf5#
- 1...Rxc5
- 2.Re4#
- 1...Ra4
- 2.Qf5#
- 1...Rb4
- 2.Qxb4#
- 2.Qf5#
- 1...Rd4
- 2.Qxd4#
- 2.Qf5#
- 1...Re4
- 2.Rxe4#
- 2.Qf5#
- 1...Rc8
- 2.Qf5#
- 1...Rd8
- 2.Qf5#
- 1...Re8
- 2.Qf5#
- 1...Be5
- 2.Qxe5#
- 1...Ba7
- 2.Qd6#
- 2.Qe5#
- 2.Qf5#
- 1...f5
- 2.Qxc4#
- 1...g6!
- threat
- 1.Qc7+?
- 1...Rxc7
- 2.Re4#
- 1...Bxc7!
- 1...Rxc7
- 1.Qe6?
- threat
- 2.Qxc4#
- 2.Qg4#
- 2.Qf5#
- 1...Ra4
- 2.Qg4#
- 2.Qf5#
- 1...Rb4
- 2.Qg4#
- 2.Qf5#
- 1...Rd4
- 2.Qg4#
- 2.Qf5#
- 1...Re4
- 2.Rxe4#
- 2.Qg4#
- 2.Qf5#
- 2.Qxe4#
- 1...Rc5
- 2.Re4#
- 2.Qg4#
- 2.Qe4#
- 1...Rc6
- 2.Re4#
- 2.Qg4#
- 2.Qf5#
- 2.Qe4#
- 1...Rc7
- 2.Re4#
- 2.Qg4#
- 2.Qf5#
- 2.Qe4#
- 2.Qe5#
- 2.Qd6#
- 1...Rcc8
- 2.Re4#
- 2.Qg4#
- 2.Qf5#
- 2.Qe4#
- 1...Rfc8
- 2.Qg4#
- 2.Qf5#
- 2.Qxf7#
- 1...Rd8
- 2.Qg4#
- 2.Qf5#
- 2.Qxf7#
- 1...Re8
- 2.Qg4#
- 2.Qf5#
- 2.Qxf7#
- 1...Be5
- 2.Qg4#
- 2.Qf5#
- 2.Qxe5#
- 1...Ba7
- 2.Qg4#
- 2.Qf5#
- 2.Qe5#
- 2.Qd6#
- 1...h5
- 2.Qxc4#
- 2.Qf5#
- 1...f5
- 2.Qxc4#
- 1...g6
- 2.Qg4#
- 2.Qf6#
- 1...fxe6!
- threat
- 1.Qxh6+?
- 1...g5
- 2.Qxg5#
- 2.Qf6#
- 1...gxh6!
- 1...g5
- 1.Qxb8+?
- 1...Rc7
- 2.Re4#
- 2.Qxc7#
- 1...Rxb8!
- 1...Rc7
- 1.Sxc3?
- Keys
- 1.Re7!
- threat
- 2.Qe3#
- 1...Re4+
- 2.Rxe4#
- 1...g6
- 2.Qf6#
- 1...Rd4
- 2.Qxd4#
- 1...Rc5
- 2.Re4#
- 1...Ba7
- 2.Qd6#
- threat
- 1.Re7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- R(c);OGATEB::QAR(G),XR(c)
- R(c);N_GUARD::QAR2(G),XR(c)
- R(c);N_GUARD,P_PINR(D)::R1(D),XR(c)
- R(c);N_GUARD::R1(D)
- B(i);N_GUARD::QAB(G),XB(i)
- B(i);N_GUARD::QAB(G)
- P(h);N_GUARD::QAR2(G)
- Tries
- Try
- S(A);XP(a)
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD::QAR2(G),XR(c)
- R(c);N_GUARD::R1(D)
- R(j);::S(A)
- Refutation
- P(h);
- Try
- R(D);
- Threat
- QAB1(G)
- Vars
- P(h);N_GUARD::QAR2(G)
- R(c);N_GUARD::QAR2(G),XR(c)
- R(c);N_GUARD,P_PINR(D)::R1(D),XR(c)
- R(c);N_GUARD::R1(D)
- B(i);N_GUARD::QAB(G)
- Refutation
- R(j);P_PINR(D)
- Try
- R(D);
- Threat
- QAB1(G)
- Vars
- R(c);CHECK,N_GUARD::R1(D),XR(c)
- R(c);N_GUARD::QAR2(G),XR(c)
- R(c);N_GUARD::R1(D)
- Refutation
- B(i);
- Try
- R(D);
- Threat
- QAB1(G)
- Vars
- R(c);CHECK,N_GUARD::R1(D),XR(c)
- R(c);N_GUARD::QAR2(G),XR(c)
- R(c);N_GUARD::R1(D)
- B(i);N_GUARD::QAB(G)
- Refutation
- P(h);
- Try
- R(D);
- Threat
- QAB1(G)
- Vars
- R(c);CHECK,N_GUARD::R1(D),XR(c)
- P(h);N_GUARD::QAR2(G)
- R(c);N_GUARD::QAR2(G),XR(c)
- R(c);N_GUARD::R1(D)
- B(i);N_GUARD::QAB(G)
- Refutation
- R(j);CHECK,XR(D)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,XQ(G)::R1(D)
- R(c);::QAR1(G)
- R(j);::QAR1(G)
- R(j);P_PINR(D)::QAR1(G)
- B(i);N_GUARD::QAB1(G),XB(i)
- P(g);::QAR(G),XR(c)
- Refutation
- P(h);
- Try
- Q(G);CHECK
- Vars
- R(c);XQ(G)::R1(D)
- Refutation
- B(i);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- P(g);::QAR(G),XR(c)
- Refutation
- P(g);XQ(G)
- Try
- Q(G);CHECK,XP(f)
- Refutation
- P(h);XQ(G)
- Try
- Q(G);CHECK,XB(i)
- Refutation
- R(j);XQ(G)
- Try
- Actual
- R(D);
- Threat
- QAB1(G)
- Vars
- R(c);CHECK,N_GUARD::R1(D),XR(c)
- P(h);N_GUARD::QAR2(G)
- R(c);N_GUARD::QAR2(G),XR(c)
- R(c);N_GUARD::R1(D)
- B(i);N_GUARD::QAB(G)
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