MESON Chess Problem Database
Problem Display
PID: 243928 (r1n5/8/1p3R1n/1p2pb1N/4k3/r6R/QP3BP1/3N1BK1 w - - 0 1)
Fleck, Ferenc
Magyar Sakkelet, 1968
#2
10 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxa2
- 2.Sc3#
- 1...Rb3
- 2.Qxa8#
- 1...Rc3
- 2.Sxc3#
- 1...Rd3
- 2.Bxd3#
- 1...Rf3
- 2.Qxa8#
- 2.gxf3#
- 1...Rg3
- 2.Qxa8#
- 1...Rxh3
- 2.Qxa8#
- 1...R3a4
- 2.Sc3#
- 2.Bd3#
- 1...R3a5
- 2.Sc3#
- 2.Bd3#
- 1...R3a6
- 2.Sc3#
- 2.Bd3#
- 1...R3a7
- 2.Sc3#
- 2.Bd3#
- 1...b4
- 2.Qc4#
- 1...Rxa2
- Tries
- 1.Bxb5?
- threat
- 2.Bc6#
- 2.Qc4#
- 1...Rxa2
- 2.Sc3#
- 2.Bc6#
- 1...Rxh3
- 2.Qc4#
- 2.Qxa8#
- 1...Bxh3
- 2.Qc4#
- 1...Rb3
- 2.Bc6#
- 2.Qxa8#
- 1...Re3
- 2.Qc4#
- 1...Rc3
- 2.Sxc3#
- 1...Rd3
- 2.Bxd3#
- 1...Rf3
- 2.Qc4#
- 2.Qxa8#
- 2.gxf3#
- 1...Rg3
- 2.Qc4#
- 2.Qxa8#
- 1...R3a4
- 2.Sc3#
- 2.Bd3#
- 2.Bc6#
- 1...R3a5
- 2.Sc3#
- 2.Bd3#
- 2.Qc4#
- 1...R8a4
- 2.Bc6#
- 1...R8a5
- 2.Qc4#
- 1...Bd7
- 2.Qc4#
- 1...Sd6
- 2.Bc6#
- 1...Sa7
- 2.Qc4#
- 1...Se7
- 2.Qc4#
- 1...Be6!
- threat
- 1.Be3?
- threat
- 2.Sf2#
- 2.Sg3#
- 1...Rxa2
- 2.Sc3#
- 1...Bxh3
- 2.Sg3#
- 1...Rb3
- 2.Qxa8#
- 1...Sg4
- 2.Sg3#
- 1...Rxe3!
- threat
- 1.Rxa3?
- threat
- 2.Sc3#
- 2.Bd3#
- 1...b4
- 2.Bd3#
- 2.Qc4#
- 1...Rxa3!
- threat
- 1.Rc3?
- threat
- 2.Bd3#
- 1...Rxc3
- 2.Sxc3#
- 1...Rb3
- 2.Qxa8#
- 1...Rxa2!
- threat
- 1.Rf3?
- threat
- 2.Sg3#
- 1...Rxa2
- 2.Sc3#
- 1...Rxf3
- 2.Qxa8#
- 1...Rb3
- 2.Qxa8#
- 1...Re3!
- threat
- 1.Qb1+?
- 1...Rd3
- 2.Sc3#
- 2.Qxd3#
- 1...Kd5!
- 1...Rd3
- 1.Qb3?
- threat
- 2.Sc3#
- 2.Bd3#
- 1...b4
- 2.Bd3#
- 2.Qc4#
- 1...Rxb3!
- threat
- 1.Qxa3?
- threat
- 2.Sc3#
- 2.Qd3#
- 2.Qf3#
- 2.Qxa8#
- 1...Kd5
- 2.Sc3#
- 2.Qxa8#
- 1...Ra4
- 2.Sc3#
- 2.Qd3#
- 2.Qf3#
- 1...Ra5
- 2.Sc3#
- 2.Qd3#
- 2.Qf3#
- 1...Ra6
- 2.Sc3#
- 2.Qd3#
- 2.Qf3#
- 1...Ra7
- 2.Sc3#
- 2.Qd3#
- 2.Qf3#
- 1...Rb8
- 2.Sc3#
- 2.Qd3#
- 2.Qf3#
- 1...Bg4
- 2.Sc3#
- 2.Qd3#
- 2.Qxa8#
- 1...Be6
- 2.Sc3#
- 2.Qd3#
- 2.Qf3#
- 1...Bd7
- 2.Sc3#
- 2.Qd3#
- 2.Qf3#
- 1...Sd6
- 2.Sc3#
- 2.Qd3#
- 2.Qf3#
- 1...Sa7
- 2.Sc3#
- 2.Qd3#
- 2.Qf3#
- 1...Se7
- 2.Sc3#
- 2.Qd3#
- 2.Qf3#
- 1...b4
- 2.Qd3#
- 2.Qf3#
- 2.Qxa8#
- 1...Rxa3!
- threat
- 1.bxa3?
- threat
- 2.Sc3#
- 2.Bd3#
- 1...Bxh3
- 2.Sc3#
- 2.Sg3#
- 1...b4
- 2.Bd3#
- 2.Qc4#
- 1...Rxa3!
- threat
- 1.b3?
- threat
- 2.Sc3#
- 1...Kd5
- 2.Sc3#
- 1...Rxb3
- 2.Qxa8#
- 1...b4!
- threat
- 1.Bxb5?
- Keys
- 1.Rb3!
- threat
- 2.Sc3#
- 2.Rb4#
- 1...Kd5
- 2.Sc3#
- 1...Rxa2
- 2.Sc3#
- 1...Rxb3
- 2.Qxa8#
- 1...R3a4
- 2.Sc3#
- 1...R8a4
- 2.Sc3#
- 1...Be6
- 2.Sc3#
- 1...Sd6
- 2.Sc3#
- 1...b4
- 2.Rxb4#
- threat
- 1.Rb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 4
- Sets
- R(a);N_GUARD,XQ(D)::S(A)
- R(a);OGATE::QAB(D),XR(h)
- R(a);N_GUARD::S(A),XR(a)
- R(a);N_GUARD::B(B),XR(a)
- R(a);OGATE,P_PINP(G)::QAB(D),XR(h)
- R(a);OGATE,XR(H)::QAB(D),XR(h)
- P(c);N_GUARD::QAR2(D)
- Tries
- Try
- B(B);XP(c)
- Threat
- DUALS(2)
- Vars
- B(e);XR(H)::QAR2(D)
- R(a);::QAR2(D)
- R(a);N_GUARD::S(A),XR(a)
- R(a);N_GUARD::B(B),XR(a)
- R(h);::B(B)
- R(h);::QAR2(D)
- B(e);::QAR2(D)
- S(i);::B(B)
- S(i);::QAR2(D)
- Refutation
- B(e);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XQ(D)::S(A)
- B(e);XR(H)::S(I)
- R(a);OGATE::QAB(D),XR(h)
- S(g);::S(I)
- Refutation
- R(a);XB(F)
- Try
- R(H);XR(a)
- Threat
- DUALS(2)
- Refutation
- R(h);XR(H)
- Try
- R(H);
- Threat
- B(B)
- Vars
- R(a);XR(H)::S(A),XR(a)
- R(a);OGATE::QAB(D),XR(h)
- Refutation
- R(a);XQ(D)
- Try
- R(H);
- Threat
- S(I)
- Vars
- R(a);N_GUARD,XQ(D)::S(A)
- R(a);OGATE,XR(H)::QAB(D),XR(h)
- R(a);OGATE::QAB(D),XR(h)
- Refutation
- R(a);
- Try
- Q(D);CHECK
- Refutation
- K(b);S_FLIGHT
- Try
- Q(D);
- Threat
- DUALS(2)
- Refutation
- R(a);XQ(D)
- Try
- Q(D);XR(a)
- Threat
- DUALS(4)
- Refutation
- R(h);XQ(D)
- Try
- P(E);XR(a)
- Threat
- DUALS(2)
- Refutation
- R(h);XP(E)
- Try
- P(E);
- Threat
- S(A)
- Vars
- K(b);S_FLIGHT::S(A)
- R(a);OGATE,XP(E)::QAB(D),XR(h)
- Refutation
- P(c);
- Try
- Actual
- R(H);
- Threat
- DUALS(2)
- Vars
- K(b);S_FLIGHT::S(A)
- R(a);XQ(D)::S(A)
- R(a);OGATE,XR(H)::QAB(D),XR(h)
- R(a);::S(A)
- R(h);::S(A)
- B(e);::S(A)
- S(i);::S(A)
- P(c);::R(H),XP(c)
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