MESON Chess Problem Database
Problem Display
PID: 76109 (8/3p2K1/5P2/4PkN1/rR1q1P1Q/6Pp/3NPb2/2B1nR1r w - - 0 1)
Robert, Philippe
Troll, 2004
#2
12 + 8
| 23 | Die Schwalbe | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.e4#
- 2.g4#
- 1...Qb2
- 2.e4#
- 2.g4#
- 1...Qc3
- 2.e4#
- 2.g4#
- 1...Qe3
- 2.g4#
- 1...Qc5
- 2.e4#
- 2.g4#
- 1...Qxe5
- 2.g4#
- 1...Qb6
- 2.e4#
- 2.g4#
- 1...Qa7
- 2.e4#
- 2.g4#
- 1...Qxd2
- 2.e4#
- 2.g4#
- 1...Qd3
- 2.g4#
- 1...Qxf4
- 2.Qxf4#
- 1...Qd5
- 2.g4#
- 1...Qd6
- 2.e4#
- 2.g4#
- 1...Rxf1
- 2.Qxh3#
- 1...Rg1
- 2.Qxh3#
- 1...Bg1
- 2.g4#
- 1...Be3
- 2.g4#
- 1...h2
- 2.Qh3#
- 1...Qa1
- Tries
- 1.Sb1?
- threat
- 2.g4#
- 1...Qxf4
- 2.Qxf4#
- 1...Rg1
- 2.Qxh3#
- 1...Bxg3!
- threat
- 1.Sdf3?
- threat
- 2.g4#
- 1...Qxf4
- 2.Qxf4#
- 1...Bxg3
- 2.Sxd4#
- 1...Rg1
- 2.Qxh3#
- 1...Be3!
- threat
- 1.Sc4?
- threat
- 2.g4#
- 1...Qxf4
- 2.Qxf4#
- 1...Qe3
- 2.Sd6#
- 1...Qd2
- 2.e4#
- 1...Rg1
- 2.Qxh3#
- 1...Bxg3!
- threat
- 1.Sde4?
- threat
- 2.g4#
- 1...Bxg3
- 2.Sxg3#
- 1...Qe3
- 2.Sd6#
- 1...Rg1
- 2.Qxh3#
- 1...Qd2!
- threat
- 1.Rxh1?
- threat
- 2.Qxh3#
- 1...Qxf4
- 2.Qxf4#
- 1...h2
- 2.Qh3#
- 1...Bxg3!
- threat
- 1.Rxf2?
- threat
- 2.g4#
- 1...Qxf4
- 2.Qxf4#
- 1...Rg1
- 2.Qxh3#
- 1...Sf3!
- threat
- 1.Rxd4?
- threat
- 2.e4#
- 2.g4#
- 1...Bxg3
- 2.e4#
- 1...Rg1
- 2.Qxh3#
- 2.e4#
- 1...Be3
- 2.g4#
- 1...d5
- 2.g4#
- 1...Rxd4!
- threat
- 1.e3?
- threat
- 2.g4#
- 1...Qxf4
- 2.Qxf4#
- 1...Rg1
- 2.Qxh3#
- 1...Bxg3!
- threat
- 1.Sb1?
- Keys
- 1.Sb3!
- threat
- 2.g4#
- 1...Qxf4
- 2.Qxf4#
- 1...Bxg3
- 2.Sxd4#
- 1...Rg1
- 2.Qxh3#
- threat
- 1.Sb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- Q(f);::P(E)
- Q(f);P_PINP(K),XP(I)::P(E)
- Q(f);OGATE,XP(G)::QAR1(H),XQ(f)
- R(b);N_GUARD,XR(B)::QAB(H),XP(d)
- R(b);N_GUARD::QAB(H),XP(d)
- B(c);::P(E)
- P(d);S_CUTR(b)::QAB(H)
- Tries
- Try
- S(C);
- Threat
- P(E)
- Vars
- Q(f);OGATE,XP(G)::QAR1(H),XQ(f)
- R(b);N_GUARD::QAB(H),XP(d)
- Refutation
- B(c);XP(E)
- Try
- S(C);
- Threat
- P(E)
- Vars
- Q(f);OGATE,XP(G)::QAR1(H),XQ(f)
- B(c);N_GUARD,XP(E)::S(C),XQ(f)
- R(b);N_GUARD::QAB(H),XP(d)
- Refutation
- B(c);
- Try
- S(C);
- Threat
- P(E)
- Vars
- Q(f);OGATE,XP(G)::QAR1(H),XQ(f)
- Q(f);N_GUARD::S(C)
- Q(f);N_GUARD::P(D)
- R(b);N_GUARD::QAB(H),XP(d)
- Refutation
- B(c);XP(E)
- Try
- S(C);
- Threat
- P(E)
- Vars
- B(c);XP(E)::S(C),XB(c)
- Q(f);N_GUARD::S(C)
- R(b);N_GUARD::QAB(H),XP(d)
- Refutation
- Q(f);
- Try
- R(B);XR(b)
- Threat
- QAB(H),XP(d)
- Vars
- Q(f);OGATE,XP(G)::QAR1(H),XQ(f)
- P(d);::QAB(H)
- Refutation
- B(c);XP(E)
- Try
- R(B);XB(c)
- Threat
- P(E)
- Vars
- Q(f);OGATE,P_SPINQ(f),XP(G)::QAR1(H),XQ(f)
- R(b);N_GUARD::QAB(H),XP(d)
- Refutation
- S(a);
- Try
- R(F);XQ(f)
- Threat
- DUALS(2)
- Vars
- B(c);XP(E)::P(D)
- B(c);::P(E)
- P(h);::P(E)
- Refutation
- R(e);XR(F)
- Try
- P(D);
- Threat
- P(E)
- Vars
- Q(f);OGATE,XP(G)::QAR1(H),XQ(f)
- R(b);N_GUARD::QAB(H),XP(d)
- Refutation
- B(c);XP(E)
- Try
- Actual
- S(C);
- Threat
- P(E)
- Vars
- Q(f);OGATE,XP(G)::QAR1(H),XQ(f)
- B(c);N_GUARD,XP(E)::S(C),XQ(f)
- R(b);N_GUARD::QAB(H),XP(d)
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