MESON Chess Problem Database
Problem Display
PID: 69306 (1b6/r5q1/3RpRp1/rQ3nB1/2p1NP2/p1P1kp2/3N1p2/3KnB2 w - - 0 1)
Fleck, Ferenc
Chess Life, 1968
#2
10 + 13
| 264 | Magyar Sakkelet | 1980 |
SOLUTION
- SOUND
- Sets
- 1...Sg3
- 2.f5#
- 1...Sd4
- 2.f5#
- 1...Sh4
- 2.f5#
- 1...Sxd6
- 2.f5#
- 1...Sh6
- 2.f5#
- 1...Se7
- 2.f5#
- 1...e5
- 2.fxe5#
- 1...Sg3
- Tries
- 1.Sc5?
- threat
- 2.Sxc4#
- 1...Sxd6
- 2.f5#
- 1...Ra4!
- threat
- 1.Rdxe6?
- threat
- 2.Sxc4#
- 2.Sd6#
- 1...Qxf6
- 2.Sxc4#
- 1...Rxb5
- 2.Sxc4#
- 1...Qb7
- 2.Sxc4#
- 1...Qc7
- 2.Sd6#
- 1...Qe7
- 2.Sxc4#
- 1...Qf7
- 2.Sxc4#
- 1...Qg8
- 2.Sxc4#
- 1...Ra4
- 2.Sd6#
- 1...Rc7
- 2.Sg3#
- 2.Sc5#
- 2.Sd6#
- 1...Rd7
- 2.Sd6#
- 1...Re7
- 2.Sxc4#
- 1...Be5
- 2.fxe5#
- 1...Bd6
- 2.Sxc4#
- 2.Sxd6#
- 1...Sd3
- 2.Sxc4#
- 1...Sg3
- 2.Sxc4#
- 1...Sd4
- 2.Sxc4#
- 1...Sd6
- 2.Sxd6#
- 2.f5#
- 1...Qd7!
- threat
- 1.Rfxe6?
- threat
- 2.Sxc4#
- 2.Sf6#
- 1...Qxc3
- 2.Sxc3#
- 1...Rxb5
- 2.Sxc4#
- 1...Bxd6
- 2.Sxc4#
- 1...Sxd6
- 2.f5#
- 1...Qe5
- 2.fxe5#
- 1...Qf6
- 2.Sxc4#
- 2.Sxf6#
- 1...Qb7
- 2.Sxc4#
- 1...Qc7
- 2.Sg3#
- 2.Sc5#
- 2.Sf6#
- 1...Qd7
- 2.Sxc4#
- 1...Qe7
- 2.Sxc4#
- 1...Qf7
- 2.Sxc4#
- 1...Qg8
- 2.Sxc4#
- 1...Ra4
- 2.Sf6#
- 1...Rc7
- 2.Sf6#
- 1...Re7
- 2.Sxc4#
- 1...Sd3
- 2.Sxc4#
- 1...Sg3
- 2.Sxc4#
- 2.f5#
- 1...Sd4
- 2.Sxc4#
- 2.f5#
- 1...Qd4!
- threat
- 1.Qc5+?
- 1...Sd4
- 2.Qxd4#
- 2.f5#
- 1...Rxc5!
- 1...Sd4
- 1.Qe5?
- threat
- 2.Sxc4#
- 2.Sc5#
- 1...Qxf6
- 2.Sxc4#
- 1...Rxe5
- 2.fxe5#
- 1...Bxd6
- 2.Sxc4#
- 1...Sxd6
- 2.Qd4#
- 2.f5#
- 1...Ra4
- 2.Sg3#
- 2.Sc5#
- 1...Qb7
- 2.Sxc4#
- 1...Qc7
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Rc7
- 2.Sc5#
- 1...Sd3
- 2.Sxc4#
- 1...Sg3
- 2.Sxc4#
- 2.Qd4#
- 2.f5#
- 1...Rd5!
- threat
- 1.Qb6+?
- 1...Sd4
- 2.Qxd4#
- 2.f5#
- 1...Rc5!
- 1...Sd4
- 1.Sc5?
- Keys
- 1.Sg3!
- threat
- 2.Sxc4#
- 1...Sxg3
- 2.f5#
- 1...Sxd6
- 2.f5#
- 1...Qc7
- 2.Rfxe6#
- 1...Ra4
- 2.Qe5#
- 1...Rc7
- 2.Rdxe6#
- threat
- 1.Sg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- S(h);OGATE::B(H)+P(F)
- S(h);OGATE,XR(I)::B(H)+P(F)
- P(i);OGATE::B(H)+P(F),XP(i)
- Tries
- Try
- S(E);
- Threat
- S(C),XP(f)
- Vars
- S(h);OGATE,XR(I)::B(H)+P(F)
- Refutation
- R(g);
- Try
- R(I);XP(i)
- Threat
- DUALS(2)
- Vars
- Q(l);XR(J)::S(C),XP(f)
- R(g);XQ(G)::S(C),XP(f)
- Q(l);::S(C),XP(f)
- Q(l);::R(I)+S(E)
- R(g);::R(I)+S(E)
- R(k);P_PINS(C)::R(I)+S(E)
- R(k);::S(C),XP(f)
- B(m);OGATE::B(H)+P(F),XB(m)
- S(a);::S(C),XP(f)
- S(h);::S(C),XP(f)
- Refutation
- Q(l);P_PINS(C)
- Try
- R(J);XP(i)
- Threat
- DUALS(2)
- Vars
- Q(l);XP(D)::R(J)+S(E),XQ(l)
- R(g);XQ(G)::S(C),XP(f)
- B(m);XR(I)::S(C),XP(f)
- S(h);OGATE,XR(I)::B(H)+P(F)
- Q(l);OGATE::B(H)+P(F),XQ(l)
- Q(l);::S(C),XP(f)
- R(g);::R(J)+S(E)
- R(k);::R(J)+S(E)
- R(k);::S(C),XP(f)
- S(a);::S(C),XP(f)
- Refutation
- Q(l);P_PINS(C)
- Try
- Q(G);CHECK
- Refutation
- R(g);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(l);XR(J)::S(C),XP(f)
- R(g);OGATE,XQ(G)::B(H)+P(F),XR(g)
- B(m);XR(I)::S(C),XP(f)
- Q(l);::S(C),XP(f)
- Q(l);::QAR(G)+S(E)
- R(g);::QAR(G)+S(E),XR(g)
- R(k);::QAR(G)+S(E)
- S(a);::S(C),XP(f)
- Refutation
- R(g);P_PINS(C)
- Try
- Q(G);CHECK
- Refutation
- R(g);P_SPINR(g)
- Try
- Actual
- S(E);
- Threat
- S(C),XP(f)
- Vars
- S(h);OGATE,XS(E)::B(H)+P(F)
- S(h);OGATE,XR(I)::B(H)+P(F)
- Q(l);N_GUARD::R(J),XP(i)
- R(g);N_GUARD::QAR2(G)
- R(k);S_CUTB(m)::R(I),XP(i)
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