MESON Chess Problem Database
Problem Display
PID: 36859 (Q7/1R6/2bpp1N1/1RrkBP2/2p1p3/8/5PB1/4b2K w - - 0 1)
Machler, Emil
3rd Prize, Fleck MT, 1996
#2
9 + 8
| 3454 | kunstschach (1987-1996) (Hoffmann) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rxb5
- 2.Rxb5#
- 1...Bxb5
- 2.Rxb5#
- 1...Bxb7
- 2.Qxb7#
- 1...Bd7
- 2.Rxd7#
- 1...Be8
- 2.Rd7#
- 1...c3
- 2.Qa2#
- 1...dxe5
- 2.Rd7#
- 1...exf5
- 2.Qg8#
- 1...Rxb5
- Tries
- 1.Bc3?
- threat
- 2.Sf4#
- 2.Se7#
- 1...Rxb5
- 2.Rxb5#
- 1...Bxb5
- 2.Se7#
- 2.Rxb5#
- 1...Bxb7
- 2.Se7#
- 2.Qxb7#
- 1...exf5
- 2.Sf4#
- 2.Qg8#
- 1...Bd7
- 2.Se7#
- 2.Rxd7#
- 1...Be8
- 2.Se7#
- 2.Rd7#
- 1...Bd2
- 2.Se7#
- 1...e5
- 2.Se7#
- 2.Qg8#
- 1...Bxc3!
- threat
- 1.Bf6?
- threat
- 2.Sf4#
- 2.Se7#
- 1...Rxb5
- 2.Rxb5#
- 1...Bxb5
- 2.Se7#
- 2.Rxb5#
- 1...Bxb7
- 2.Se7#
- 2.Qxb7#
- 1...exf5
- 2.Sf4#
- 2.Qg8#
- 1...Bd7
- 2.Se7#
- 2.Rxd7#
- 1...Be8
- 2.Se7#
- 2.Rd7#
- 1...c3
- 2.Qa2#
- 1...Bd2
- 2.Se7#
- 1...e5!
- threat
- 1.Bg7?
- threat
- 2.Sf4#
- 2.Se7#
- 1...Rxb5
- 2.Rxb5#
- 1...Bxb5
- 2.Se7#
- 2.Rxb5#
- 1...Bxb7
- 2.Se7#
- 2.Qxb7#
- 1...exf5
- 2.Sf4#
- 2.Qg8#
- 1...Bd7
- 2.Se7#
- 2.Rxd7#
- 1...Be8
- 2.Se7#
- 2.Rd7#
- 1...c3
- 2.Qa2#
- 1...Bd2
- 2.Se7#
- 1...e5!
- threat
- 1.Bh8?
- threat
- 2.Sf4#
- 2.Se7#
- 1...Rxb5
- 2.Rxb5#
- 1...Bxb5
- 2.Se7#
- 2.Rxb5#
- 1...Bxb7
- 2.Se7#
- 2.Qxb7#
- 1...exf5
- 2.Sf4#
- 2.Qg8#
- 1...Bd7
- 2.Se7#
- 2.Rxd7#
- 1...Be8
- 2.Se7#
- 2.Rd7#
- 1...c3
- 2.Qa2#
- 1...Bd2
- 2.Se7#
- 1...e5!
- threat
- 1.Rxc5+?
- 1...dxc5
- 2.Rd7#
- 1...Kxc5!
- 1...dxc5
- 1.R7b6?
- threat
- 2.Qxc6#
- 1...Bxa8
- 2.Rxd6#
- 1...exf5
- 2.Qg8#
- 1...c3
- 2.Qa2#
- 1...Bb7
- 2.Rxd6#
- 2.Qxb7#
- 1...dxe5!
- threat
- 1.Rc7?
- threat
- 2.Qxc6#
- 1...dxe5
- 2.Rd7#
- 1...exf5
- 2.Qg8#
- 1...c3
- 2.Qa2#
- 1...Bb7
- 2.Qxb7#
- 1...Bxa8!
- threat
- 1.Rd7?
- threat
- 2.Rxd6#
- 1...c3
- 2.Qa2#
- 1...Rxb5!
- threat
- 1.Qa1?
- threat
- 2.Sf4#
- 2.Se7#
- 2.Qd4#
- 1...Rxb5
- 2.Qd4#
- 1...Bxf2
- 2.Sf4#
- 2.Se7#
- 1...Bxb5
- 2.Se7#
- 1...Bxb7
- 2.Se7#
- 1...dxe5
- 2.Qxe5#
- 1...exf5
- 2.Sf4#
- 1...Bd7
- 2.Se7#
- 1...Be8
- 2.Se7#
- 1...c3
- 2.Qa2#
- 1...Bd2
- 2.Se7#
- 2.Qd4#
- 1...Bc3!
- threat
- 1.Qb8?
- threat
- 2.Qxd6#
- 1...dxe5
- 2.Qxe5#
- 1...c3!
- threat
- 1.Qf8?
- threat
- 2.Qxd6#
- 1...dxe5
- 2.Qxc5#
- 1...c3!
- threat
- 1.f4?
- threat
- 2.Se7#
- 1...Rxb5
- 2.Rxb5#
- 1...dxe5
- 2.Rd7#
- 1...exf5
- 2.Qg8#
- 1...exf4 ep
- 2.Bxf3#
- 1...c3
- 2.Qa2#
- 1...Bh4!
- threat
- 1.Bc3?
- Keys
- 1.f3!
- threat
- 2.fxe4#
- 1...Rxb5
- 2.Rxb5#
- 1...Bxb5
- 2.Rxb5#
- 1...Bxb7
- 2.Qxb7#
- 1...exf3
- 2.Bxf3#
- 1...dxe5
- 2.Rd7#
- 1...exf5
- 2.Qg8#
- 1...Bd7
- 2.Rxd7#
- 1...Be8
- 2.Rd7#
- 1...c3
- 2.Qa2#
- 1...e3
- 2.f4#
- threat
- 1.f3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(d);N_SPINR(d),OGATE,XR(D)::R(H),XR(d)
- B(f);N_SPINR(d),OGATE,XR(D)::QAB(I)+R(H),XB(f)
- B(f);OGATE,P_SPINB(f),XR(H)::QAB(I),XB(f)
- B(f);OGATEB::QAB(I)+R(H),XB(f)
- B(f);OGATEB::QAB(I)+R(H)
- P(b);OGATEB::QAB(I)
- P(g);OGATEB,XB(E)::R(H)
- P(h);OGATEB,XP(F)::QAB(I)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(d);N_SPINR(d),OGATE,XR(D)::R(H),XR(d)
- B(a);::S(G)
- Refutation
- B(a);XB(E)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(d);N_SPINR(d),OGATE,XR(D)::R(H),XR(d)
- P(b);OGATEB::QAB(I)
- B(a);::S(G)
- Refutation
- P(h);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(d);N_SPINR(d),OGATE,XR(D)::R(H),XR(d)
- P(b);OGATEB::QAB(I)
- B(a);::S(G)
- Refutation
- P(h);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(d);N_SPINR(d),OGATE,XR(D)::R(H),XR(d)
- P(b);OGATEB::QAB(I)
- B(a);::S(G)
- Refutation
- P(h);
- Try
- R(D);CHECK,XR(d)
- Vars
- P(g);SBLOCK,XR(D)::R(H)
- Refutation
- K(e);N_SPINP(c),P-FLIGHT,XR(D)
- Try
- R(H);P_PINB(f)
- Threat
- QAB1(I),XB(f)
- Vars
- B(f);N_SPINB(f),OGATE,XQ(I)::R1(H),XP(g)
- P(h);OGATEB,XP(F)::QAB(I)
- P(b);OGATEB::QAB(I)
- Refutation
- P(g);XB(E)
- Try
- R(H);P_PINB(f)
- Threat
- QAB1(I),XB(f)
- Vars
- P(g);OGATEB,XB(E)::R(H)
- P(h);OGATEB,XP(F)::QAB(I)
- P(b);OGATEB::QAB(I)
- B(f);OGATEB::QAB(I),XB(f)
- Refutation
- B(f);N_SPINB(f),XQ(I)
- Try
- R(H);P_PINB(f)
- Threat
- R1(H),XP(g)
- Vars
- P(b);OGATEB::QAB(I)
- Refutation
- R(d);N_SPINR(d),XR(D)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- R(d);N_SPINR(d),XR(D)::QAR1(I)
- B(f);N_SPINR(d),XR(D)::S(G)
- B(f);XR(H)::S(G)
- P(g);OGATE,XB(E)::QAR1(I),XP(g)
- P(h);XP(F)::S(G)
- B(f);::S(G)
- P(b);OGATEB::QAB(I)
- Refutation
- B(a);
- Try
- Q(I);
- Threat
- QAR1(I),XP(g)
- Vars
- P(g);OGATE,XB(E)::QAR1(I),XP(g)
- Refutation
- P(b);
- Try
- Q(I);
- Threat
- QAR1(I),XP(g)
- Vars
- P(g);OGATE,XB(E)::QAR1(I),XR(d)
- Refutation
- P(b);
- Try
- P(B);
- Threat
- S(G)
- Vars
- R(d);N_SPINR(d),OGATE,XR(D)::R(H),XR(d)
- P(g);OGATEB,XB(E)::R(H)
- P(h);OGATEB,XP(F)::QAB(I)
- P(c);EP,OGATEB,XP(B)::B(C),XP(c)
- P(b);OGATEB::QAB(I)
- Refutation
- B(a);
- Try
- Actual
- P(B);N_PINP(c)
- Threat
- P(B),XP(c)
- Vars
- R(d);N_SPINR(d),OGATE,XR(D)::R(H),XR(d)
- B(f);N_SPINR(d),OGATE,XR(D)::QAB(I)+R(H),XB(f)
- B(f);OGATE,P_SPINB(f),XR(H)::QAB(I),XB(f)
- P(c);OGATE,P_SPINP(c),XP(B)::B(C),XP(c)
- P(g);OGATEB,XB(E)::R(H)
- P(h);OGATEB,XP(F)::QAB(I)
- B(f);OGATEB::QAB(I)+R(H),XB(f)
- B(f);OGATEB::QAB(I)+R(H)
- P(b);OGATEB::QAB(I)
- P(c);::B(C)+P(B)
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