MESON Chess Problem Database
Problem Display
PID: 90286 (8/n1Q5/N1p5/3p1p2/1N1p1P1p/1PkB2nR/P5K1/2B5 w - - 0 1)
Goldschmidt, Ervin
Die Schwalbe, 1929
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.Sxd5#
- 1...Sh1
- 2.Sxd5#
- 1...Se2
- 2.Sxd5#
- 1...Se4
- 2.Sxd5#
- 1...Sh5
- 2.Sxd5#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...c5
- 2.Qxc5#
- 1...Sf1
- Tries
- 1.Kg1?
- 1...Sf1
- 2.Sxd5#
- 1...Sh1
- 2.Sxd5#
- 1...Se4
- 2.Sxd5#
- 1...Sh5
- 2.Sxd5#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...c5
- 2.Qxc5#
- 1...Se2+!
- 1...Sf1
- 1.Kh2?
- 1...Sh1
- 2.Sxd5#
- 1...Se2
- 2.Sxd5#
- 1...Se4
- 2.Sxd5#
- 1...Sh5
- 2.Sxd5#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...c5
- 2.Qxc5#
- 1...Sf1+!
- 1...Sh1
- 1.Bf1?
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...c5
- 2.Qxc5#
- 1...d3!
- 1...Sb5
- 1.Bc2?
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...c5
- 2.Qxc5#
- 1...d3!
- 1...Sb5
- 1.Be2?
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...c5
- 2.Qxc5#
- 1...d3!
- 1...Sb5
- 1.Bb5?
- 1...Sxb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...c5
- 2.Qxc5#
- 1...d3!
- 1...Sxb5
- 1.Qa5?
- threat
- 2.Qc5#
- 1...Se4
- 2.Sc2#
- 2.Sxd5#
- 2.Sxc6#
- 1...c5
- 2.Qxc5#
- 1...Sb5!
- threat
- 1.Qb6?
- threat
- 2.Qc5#
- 1...c5
- 2.Qxc5#
- 1...Se4!
- threat
- 1.Qd6?
- threat
- 2.Qc5#
- 1...c5
- 2.Qxc5#
- 1...Se4!
- threat
- 1.Qxa7?
- threat
- 2.Qc5#
- 1...c5
- 2.Qxc5#
- 1...Se4!
- threat
- 1.Qe7?
- threat
- 2.Qc5#
- 2.Qe1#
- 1...Sf1
- 2.Qc5#
- 1...Se2
- 2.Qc5#
- 1...c5
- 2.Qxc5#
- 2.Qe1#
- 1...Se4!
- threat
- 1.Qc8?
- 1...Sf1
- 2.Sxd5#
- 1...Sh1
- 2.Sxd5#
- 1...Se2
- 2.Sxd5#
- 1...Se4
- 2.Sxd5#
- 1...Sh5
- 2.Sxd5#
- 1...Sb5
- 2.Qxc6#
- 1...c5
- 2.Qxc5#
- 1...Sxc8!
- 1...Sf1
- 1.Kg1?
- Keys
- 1.Qe5!
- threat
- 2.Qe1#
- 1...Sf1
- 2.Bxf1#
- 1...Se2
- 2.Bxe2#
- 1...Se4
- 2.Bxe4#
- threat
- 1.Qe5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- S(b);::S(G),XP(e)
- S(h);N_GUARD::QAR(J),XP(g)
- P(g);OGATE::QAR2(J),XP(g)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- S(b);::S(G),XP(e)
- S(h);N_GUARD::QAR(J),XP(g)
- P(g);OGATE::QAR2(J),XP(g)
- Refutation
- S(b);CHECK
- Try
- K(C);P-FLIGHT
- Vars
- S(b);::S(G),XP(e)
- S(h);N_GUARD::QAR(J),XP(g)
- P(g);OGATE::QAR2(J),XP(g)
- Refutation
- S(b);CHECK
- Try
- B(E);P_PINS(b)
- Vars
- S(h);N_GUARD::QAR(J),XP(g)
- P(g);OGATE::QAR2(J),XP(g)
- Refutation
- P(c);N_SPINS(b)
- Try
- B(E);P_PINS(b)
- Vars
- S(h);N_GUARD::QAR(J),XP(g)
- P(g);OGATE::QAR2(J),XP(g)
- Refutation
- P(c);N_SPINS(b)
- Try
- B(E);P_PINS(b)
- Vars
- S(h);N_GUARD::QAR(J),XP(g)
- P(g);OGATE::QAR2(J),XP(g)
- Refutation
- P(c);N_SPINS(b)
- Try
- B(E);P_PINS(b)
- Vars
- S(h);N_GUARD,XB(E)::QAR(J),XP(g)
- S(h);N_GUARD::QAR(J),XP(g)
- P(g);OGATE::QAR2(J),XP(g)
- Refutation
- P(c);N_SPINS(b)
- Try
- Q(J);N_PINP(g)
- Threat
- QAR2(J)
- Vars
- P(g);::QAR2(J),XP(g)
- Refutation
- S(h);
- Try
- Q(J);N_PINP(g)
- Threat
- QAR2(J)
- Vars
- P(g);::QAR2(J),XP(g)
- Refutation
- S(b);
- Try
- Q(J);N_PINP(g)
- Threat
- QAR2(J)
- Vars
- P(g);::QAR2(J),XP(g)
- Refutation
- S(b);
- Try
- Q(J);N_PINP(g),XS(h)
- Threat
- QAR2(J)
- Vars
- P(g);::QAR2(J),XP(g)
- Refutation
- S(b);
- Try
- Q(J);N_PINP(g)
- Threat
- DUALS(2)
- Vars
- S(b);::QAR2(J)
- Refutation
- S(b);
- Try
- Q(J);
- Vars
- S(b);::S(G),XP(e)
- S(h);N_GUARD::QAR(J),XP(g)
- P(g);OGATE::QAR2(J),XP(g)
- Refutation
- S(h);N_SPINP(g),XQ(J)
- Try
- Actual
- Q(J);N_PINP(g),P_PINP(c)
- Threat
- QAB(J)
- Vars
- S(b);OGATEB::R(F)+B(E),XS(b)
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