MESON Chess Problem Database
Problem Display
PID: 225475 (3R4/3Q4/2bn3n/B7/p6r/3p2p1/1P6/1KNk2NR w - - 0 1)
Fulla, Anton
Praca, 1957
#2
8 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rb4
- 2.Sf3#
- 1...Rc4
- 2.Sf3#
- 1...Rd4
- 2.Sf3#
- 1...Re4
- 2.Sge2#
- 1...Rf4
- 2.Sf3#
- 1...Rg4
- 2.Sf3#
- 1...Be4
- 2.Qxa4#
- 1...Bb5
- 2.Sh3#
- 1...Bxd7
- 2.Sh3#
- 1...Se4
- 2.Sh3#
- 1...Sb5
- 2.Qxd3#
- 1...Sdf5
- 2.Qxd3#
- 1...Sb7
- 2.Qxd3#
- 1...Sdf7
- 2.Qxd3#
- 1...Sc8
- 2.Qxd3#
- 1...Se8
- 2.Qxd3#
- 1...Rb4
- Tries
- 1.Re8?
- threat
- 2.Re1#
- 1...Sxe8
- 2.Qxd3#
- 1...Rb4
- 2.Sf3#
- 1...Re4
- 2.Sge2#
- 1...Be4
- 2.Qxa4#
- 1...Se4
- 2.Sh3#
- 1...d2!
- threat
- 1.Qg4+?
- 1...Rxg4
- 2.Sf3#
- 1...Bf3
- 2.Sh3#
- 2.Qxf3#
- 1...Sxg4!
- 1...Rxg4
- 1.Qf5?
- threat
- 2.Qxd3#
- 2.Qf1#
- 1...Sdxf5
- 2.Rxd3#
- 1...Rb4
- 2.Sf3#
- 1...d2
- 2.Qf1#
- 1...Bg2
- 2.Qxd3#
- 1...Rh2
- 2.Qf1#
- 1...Rd4
- 2.Sf3#
- 2.Qf1#
- 1...Re4
- 2.Sge2#
- 1...Rf4
- 2.Sf3#
- 2.Qxd3#
- 1...Bf3
- 2.Qxd3#
- 2.Qxf3#
- 1...Be4
- 2.Qf1#
- 1...Bb5
- 2.Sh3#
- 2.Qf1#
- 2.Qf3#
- 1...Sc4
- 2.Qf1#
- 1...Se4
- 2.Sh3#
- 2.Qf1#
- 2.Qf3#
- 1...g2
- 2.Qxd3#
- 1...Shxf5!
- threat
- 1.Qxc6?
- threat
- 2.Sh3#
- 2.Qf3#
- 1...Rxh1
- 2.Qf3#
- 2.Qxa4#
- 1...Rb4
- 2.Sf3#
- 1...d2
- 2.Sh3#
- 1...Rh3
- 2.Sxh3#
- 2.Qf3#
- 2.Qxa4#
- 1...Re4
- 2.Sge2#
- 1...Rf4
- 2.Sf3#
- 1...Se4
- 2.Sh3#
- 2.Qxa4#
- 2.Qc2#
- 1...g2
- 2.Qf3#
- 1...Rh2!
- threat
- 1.Qe6?
- threat
- 2.Qe1#
- 1...Rb4
- 2.Sf3#
- 1...Re4
- 2.Sge2#
- 1...Se4
- 2.Sh3#
- 1...d2
- 2.Qe2#
- 1...Be4!
- threat
- 1.Qe7?
- threat
- 2.Qe1#
- 1...Rb4
- 2.Sf3#
- 1...Re4
- 2.Sge2#
- 1...Se4
- 2.Sh3#
- 1...d2
- 2.Qe2#
- 1...Be4!
- threat
- 1.Re8?
- Keys
- 1.Qe8!
- threat
- 2.Qe1#
- 1...Bxe8
- 2.Sh3#
- 1...Sxe8
- 2.Rxd3#
- 1...Rb4
- 2.Sf3#
- 1...Re4
- 2.Sge2#
- 1...Be4
- 2.Qxa4#
- 1...Se4
- 2.Sh3#
- 1...d2
- 2.Qe2#
- threat
- 1.Qe8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- R(e);N_GUARD,P_PINP(E)::R(D)+S(C)
- R(e);N_GUARD::R(D)+S(C)
- R(e);N_GUARD,S_CUTB(f)::R(D)+S(C)
- B(f);OGATE::QAB(G),XP(d)
- B(f);N_GUARD::R(D)+S(C)
- B(f);N_GUARD,XQ(G)::R(D)+S(C)
- S(g);P_SPINP(b),S_CUTB(f)::R(D)+S(C)
- S(g);OGATE,P_SPINP(b)::QAR2(G),XP(b)
- Tries
- Try
- R(H);
- Threat
- R1(H)
- Vars
- S(g);OGATE,P_SPINP(b),XR(H)::QAR2(G),XP(b)
- R(e);N_GUARD,P_PINP(E)::R(D)+S(C)
- R(e);N_GUARD,S_CUTB(f)::R(D)+S(C)
- B(f);OGATE::QAB(G),XP(d)
- S(g);P_SPINP(b),S_CUTB(f)::R(D)+S(C)
- Refutation
- P(b);
- Try
- Q(G);CHECK
- Vars
- R(e);N_GUARD,XQ(G)::R(D)+S(C)
- Refutation
- S(h);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(g);OGATE,P_SPINP(b),XQ(G)::R(H),XP(b)
- R(e);N_GUARD,P_PINP(E)::R(D)+S(C)
- P(b);::QAR2(G)
- B(f);::QAR2(G),XP(b)
- R(e);::QAR2(G)
- R(e);N_GUARD,S_CUTB(f)::R(D)+S(C)
- B(f);::QAR2(G)
- S(g);P_SPINP(b)::QAR2(G)
- P(c);::QAR2(G),XP(b)
- Refutation
- S(h);XQ(G)
- Try
- Q(G);XB(f)
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD,P_PINP(E)::R(D)+S(C)
- P(b);::R(D)+S(C)
- R(e);N_GUARD::R(D)+S(C)
- P(c);::QAB(G)
- Refutation
- R(e);
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- R(e);N_GUARD,P_PINP(E)::R(D)+S(C)
- R(e);N_GUARD,S_CUTB(f)::R(D)+S(C)
- S(g);P_SPINP(b),S_CUTB(f)::R(D)+S(C)
- P(b);N_GUARD::QAB1(G)
- Refutation
- B(f);
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- R(e);N_GUARD,P_PINP(E)::R(D)+S(C)
- R(e);N_GUARD,S_CUTB(f)::R(D)+S(C)
- S(g);P_SPINP(b),S_CUTB(f)::R(D)+S(C)
- P(b);N_GUARD::QAB1(G)
- Refutation
- B(f);
- Try
- Actual
- Q(G);
- Threat
- QAR1(G)
- Vars
- B(f);N_GUARD,XQ(G)::R(D)+S(C)
- S(g);OGATE,P_SPINP(b),XQ(G)::R(H),XP(b)
- R(e);N_GUARD,P_PINP(E)::R(D)+S(C)
- R(e);N_GUARD,S_CUTB(f)::R(D)+S(C)
- B(f);OGATE::QAB(G),XP(d)
- S(g);P_SPINP(b),S_CUTB(f)::R(D)+S(C)
- P(b);N_GUARD::QAB1(G)
Developed and maintained by Brian Stephenson.
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