MESON Chess Problem Database
Problem Display
PID: 6144 (7n/BK2Q1p1/3p3q/2PkbPr1/1p5r/1Pp2P2/2N3Bp/8 w - - 0 1)
Schiffmann, Israel Abraham
1st HM., L'Italia Scacchistica, 1927
#2
9 + 11
| 1397 | Faszinierendes Schachproblem | 1963 |
SOLUTION
- SOUND
- Sets
- 1...Qh5
- 2.Qe6#
- 1...Qe6
- 2.Qxe6#
- 1...Qh7
- 2.Qe6#
- 1...Rd4
- 2.Se3#
- 1...Re4
- 2.fxe4#
- 1...Rhg4
- 2.fxg4#
- 1...Rgg4
- 2.fxg4#
- 1...Rxf5
- 2.f4#
- 1...Rh5
- 2.f4#
- 1...Bg3
- 2.f4#
- 1...Bd4
- 2.Sxb4#
- 1...Bf4
- 2.Qe4#
- 1...Bf6
- 2.Qxd6#
- 2.Qe6#
- 1...Sg6
- 2.Qe6#
- 2.Qf7#
- 1...dxc5
- 2.Qxc5#
- 1...g6
- 2.Qe6#
- 1...Qh5
- Tries
- 1.Ka6?
- threat
- 2.Qb7#
- 1...Kc6
- 2.Qb7#
- 1...Rxf5
- 2.f4#
- 1...Bg3
- 2.f4#
- 1...Bd4
- 2.Sxb4#
- 1...Bf4
- 2.Qe4#
- 1...Bf6
- 2.Qxd6#
- 1...dxc5+!
- threat
- 1.Kb6?
- threat
- 2.Qb7#
- 1...Rxf5
- 2.f4#
- 1...Bg3
- 2.f4#
- 1...Bd4
- 2.Sxb4#
- 1...Bf4
- 2.Qe4#
- 1...Bf6
- 2.Qxd6#
- 2.Qe6#
- 1...dxc5+!
- threat
- 1.Kb8?
- threat
- 2.Qb7#
- 1...Kc6
- 2.Qb7#
- 1...Rxf5
- 2.f4#
- 1...Bg3
- 2.f4#
- 1...Bd4
- 2.Sxb4#
- 1...Bf4
- 2.Qe4#
- 1...Bf6
- 2.Qxd6#
- 1...dxc5+!
- threat
- 1.Kc8?
- threat
- 2.Qb7#
- 1...Kc6
- 2.Qb7#
- 1...Rxf5
- 2.f4#
- 1...dxc5
- 2.Qxc5#
- 1...Bg3
- 2.f4#
- 1...Bd4
- 2.Sxb4#
- 1...Bf4
- 2.Qe4#
- 1...Bf6
- 2.Qxd6#
- 1...Qe6+!
- threat
- 1.Sxb4+?
- 1...Kd4
- 2.cxd6#
- 2.c6#
- 1...Rxb4+!
- 1...Kd4
- 1.Qf7+?
- 1...Qe6
- 2.Qxe6#
- 1...Sxf7!
- 1...Qe6
- 1.Qe8?
- threat
- 2.Qc6#
- 1...Rxf5
- 2.f4#
- 1...Bg3
- 2.f4#
- 1...Bd4
- 2.Sxb4#
- 1...Bf4
- 2.Qe4#
- 1...Bf6
- 2.Qe6#
- 1...dxc5!
- threat
- 1.Ka6?
- Keys
- 1.Ka8!
- threat
- 2.Qb7#
- 1...Kc6
- 2.Qb7#
- 1...Rxf5
- 2.f4#
- 1...dxc5
- 2.Qxc5#
- 1...Bg3
- 2.f4#
- 1...Bd4
- 2.Sxb4#
- 1...Bf4
- 2.Qe4#
- 1...Bf6
- 2.Qxd6#
- threat
- 1.Ka8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- Q(i);N_GUARD::QAB1(I)
- Q(i);N_GUARD::QAB1(I),XQ(i)
- R(d);SBLOCK::S(A)
- R(d);OGATE::P(D),XR(d)
- R(d);OGATE::B(B)+P(D),XR(d)
- R(g);OGATE::B(B)+P(D),XR(g)
- R(g);N_GUARD,XP(F)::B(B)+P(D)
- R(g);N_GUARD::B(B)+P(D)
- B(f);S_CUTR(g)::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(d)::S(A),XP(c)
- B(f);OGATE::QAB1(I)
- P(h);OGATE,XP(E)::QAR1(I),XP(h)
- P(j);S_CUTQ(i)::QAB1(I)
- Tries
- Try
- K(H);S_FLIGHT
- Threat
- QAB(I)
- Vars
- K(e);S_FLIGHT::QAB1(I)
- R(g);N_GUARD,XP(F)::B(B)+P(D)
- B(f);S_CUTR(g)::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(d)::S(A),XP(c)
- B(f);OGATE::QAB1(I)
- B(f);N_GUARD,S_CUTQ(i)::QAR1(I),XP(h)
- Refutation
- P(h);CHECK,XP(E)
- Try
- K(H);P-FLIGHT
- Threat
- QAB(I)
- Vars
- R(g);N_GUARD,XP(F)::B(B)+P(D)
- B(f);S_CUTR(g)::B(B)+P(D)
- B(f);P_PINP(E),SBLOCK,S_CUTR(d)::S(A),XP(c)
- B(f);OGATE::QAB1(I)
- Refutation
- P(h);CHECK,XP(E)
- Try
- K(H);P-FLIGHT
- Threat
- QAB(I)
- Vars
- K(e);S_FLIGHT::QAB1(I)
- R(g);N_GUARD,XP(F)::B(B)+P(D)
- B(f);S_CUTR(g)::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(d)::S(A),XP(c)
- B(f);OGATE::QAB1(I)
- B(f);N_GUARD,S_CUTQ(i)::QAR1(I),XP(h)
- Refutation
- P(h);CHECK,XP(E)
- Try
- K(H);S_FLIGHT
- Threat
- QAB(I)
- Vars
- K(e);S_FLIGHT::QAB1(I)
- R(g);N_GUARD,XP(F)::B(B)+P(D)
- P(h);OGATE,XP(E)::QAR1(I),XP(h)
- B(f);S_CUTR(g)::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(d)::S(A),XP(c)
- B(f);OGATE::QAB1(I)
- B(f);N_GUARD,S_CUTQ(i)::QAR1(I),XP(h)
- Refutation
- Q(i);CHECK
- Try
- S(A);CHECK,XP(c)
- Refutation
- R(d);CHECK,XS(A)
- Try
- Q(I);CHECK
- Vars
- Q(i);N_GUARD,P_SPINQ(i)::QAB1(I),XQ(i)
- Refutation
- S(k);XQ(I)
- Try
- Q(I);
- Threat
- QAB1(I)
- Vars
- R(g);N_GUARD,XP(F)::B(B)+P(D)
- B(f);S_CUTR(g)::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(d)::S(A),XP(c)
- B(f);OGATE::QAB1(I)
- B(f);S_CUTQ(i)::QAB1(I)
- Refutation
- P(h);XP(E)
- Try
- Actual
- K(H);S_FLIGHT
- Threat
- QAB(I)
- Vars
- K(e);S_FLIGHT::QAB1(I)
- R(g);N_GUARD,XP(F)::B(B)+P(D)
- P(h);OGATE,XP(E)::QAR1(I),XP(h)
- B(f);S_CUTR(g)::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(d)::S(A),XP(c)
- B(f);OGATE::QAB1(I)
- B(f);N_GUARD,S_CUTQ(i)::QAR1(I),XP(h)
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