MESON Chess Problem Database
Problem Display
PID: 137829 (4n3/3pPQ2/NR1pn1N1/p1Pkb3/1pRPp3/1Pp3p1/2K3p1/6B1 w - - 0 1)
Barth, Michael
3rd HM., Freie Presse, 1998
#2
11 + 12
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Bxd4
- 2.Rxd4#
- 1...Bf4
- 2.Sxf4#
- 1...Bf6
- 2.Sf4#
- 1...Bg7
- 2.Sf4#
- 1...Bh8
- 2.Sf4#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...e3
- 2.Qf3#
- 1...a4
- 2.Sxb4#
- 1...dxc5
- 2.Rxc5#
- 1...Bxd4
- Tries
- 1.Kb1?
- 1...Bxd4
- 2.Rxd4#
- 1...dxc5
- 2.Rxc5#
- 1...e3
- 2.Qf3#
- 1...Bf4
- 2.Sxf4#
- 1...Bf6
- 2.Sf4#
- 1...Bg7
- 2.Sf4#
- 1...Bh8
- 2.Sf4#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...a4
- 2.Sxb4#
- 1...c2+!
- 1...Bxd4
- 1.Kc1?
- 1...Bf4+
- 2.Sxf4#
- 1...Bxd4
- 2.Rxd4#
- 1...dxc5
- 2.Rxc5#
- 1...e3
- 2.Qf3#
- 1...Bf6
- 2.Sf4#
- 1...Bg7
- 2.Sf4#
- 1...Bh8
- 2.Sf4#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...a4
- 2.Sxb4#
- 1...c2!
- 1...Bf4+
- 1.Kd1?
- 1...Bxd4
- 2.Rxd4#
- 1...dxc5
- 2.Rxc5#
- 1...e3
- 2.Qf3#
- 1...Bf4
- 2.Sxf4#
- 1...Bf6
- 2.Sf4#
- 1...Bg7
- 2.Sf4#
- 1...Bh8
- 2.Sf4#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...a4
- 2.Sxb4#
- 1...c2+!
- 1...Bxd4
- 1.Sxe5?
- 1...dxc5
- 2.Rxc5#
- 1...e3
- 2.Qf3#
- 1...Sf6
- 2.Sc7#
- 2.Rxd6#
- 1...Sc7
- 2.Sxc7#
- 2.Rxd6#
- 1...Sg7
- 2.Sc7#
- 2.Rxd6#
- 1...a4
- 2.Sxb4#
- 1...dxe5!
- 1...dxc5
- 1.Qxe8?
- threat
- 2.Qa8#
- 1...Sxc5
- 2.Sc7#
- 1...Sf4
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...Sd8
- 2.Sc7#
- 1...Sf8
- 2.Sc7#
- 1...Sxd4+!
- threat
- 1.Qg8?
- 1...Bxd4
- 2.Rxd4#
- 1...dxc5
- 2.Rxc5#
- 1...Bf4
- 2.Sxf4#
- 1...Bf6
- 2.Sf4#
- 1...Bg7
- 2.Sf4#
- 1...Bh8
- 2.Sf4#
- 1...Sf6
- 2.Sc7#
- 2.Qa8#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 2.Qa8#
- 1...a4
- 2.Sxb4#
- 1...e3!
- 1...Bxd4
- 1.dxe5?
- threat
- 2.Rd4#
- 1...dxc5
- 2.Rxc5#
- 1...e3
- 2.Qf3#
- 1...dxe5!
- threat
- 1.cxd6?
- threat
- 2.Rc5#
- 1...Bxd4
- 2.Rxd4#
- 1...e3
- 2.Qf3#
- 1...Bxd6!
- threat
- 1.c6?
- threat
- 2.Rb5#
- 1...Bxd4
- 2.Rxd4#
- 1...e3
- 2.Qf3#
- 1...Sc7
- 2.Sxc7#
- 1...dxc6!
- threat
- 1.Kb1?
- Keys
- 1.Qf5!
- 1...Sxd4+
- 2.Rxd4#
- 1...Sxc5
- 2.Sf4#
- 1...dxc5
- 2.Qxe5#
- 1...Sf4
- 2.Sxf4#
- 1...Sg5
- 2.Sf4#
- 1...S6c7
- 2.Sf4#
- 1...S6g7
- 2.Sf4#
- 1...Sd8
- 2.Sf4#
- 1...Sf8
- 2.Sf4#
- 1...Sf6
- 2.Rxd6#
- 1...S8c7
- 2.Rxd6#
- 1...S8g7
- 2.Rxd6#
- 1...e3
- 2.Qf3#
- 1...a4
- 2.Sxb4#
- 1...Sxd4+
- 1.Qf5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 8
- REMOVED MATES = 5
- Sets
- B(h);OGATE,XP(E)::R1(D),XB(h)
- B(h);N_GUARD::S(I),XB(h)
- B(h);N_GUARD::S(I)
- S(l);N_GUARD::S(G)
- S(l);N_GUARD::S(G),XS(l)
- P(e);OGATEB::QAB(K)
- P(f);N_GUARD::S(G),XP(d)
- P(i);OGATE,XP(F)::R1(D),XP(i)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- B(h);OGATE,XP(E)::R1(D),XB(h)
- P(i);OGATE,XP(F)::R1(D),XP(i)
- P(e);OGATEB::QAB(K)
- B(h);N_GUARD::S(I),XB(h)
- B(h);N_GUARD::S(I)
- S(l);N_GUARD::S(G)
- S(l);N_GUARD::S(G),XS(l)
- P(f);N_GUARD::S(G),XP(d)
- Refutation
- P(b);CHECK
- Try
- K(B);P-FLIGHT
- Vars
- B(h);CHECK,N_GUARD::S(I),XB(h)
- B(h);OGATE,XP(E)::R1(D),XB(h)
- P(i);OGATE,XP(F)::R1(D),XP(i)
- P(e);OGATEB::QAB(K)
- B(h);N_GUARD::S(I)
- S(l);N_GUARD::S(G)
- S(l);N_GUARD::S(G),XS(l)
- P(f);N_GUARD::S(G),XP(d)
- Refutation
- P(b);
- Try
- K(B);S_FLIGHT
- Vars
- B(h);OGATE,XP(E)::R1(D),XB(h)
- P(i);OGATE,XP(F)::R1(D),XP(i)
- P(e);OGATEB::QAB(K)
- B(h);N_GUARD::S(I),XB(h)
- B(h);N_GUARD::S(I)
- S(l);N_GUARD::S(G)
- S(l);N_GUARD::S(G),XS(l)
- P(f);N_GUARD::S(G),XP(d)
- Refutation
- P(b);CHECK
- Try
- S(I);XB(h)
- Vars
- P(i);OGATE,XP(F)::R1(D),XP(i)
- P(e);OGATEB::QAB(K)
- P(f);N_GUARD::S(G),XP(d)
- Refutation
- P(i);XS(I)
- Try
- Q(K);N_PINS(j),XS(l)
- Threat
- QAB(K)
- Vars
- S(j);N_GUARD,XP(F)::S(G)
- S(j);N_GUARD::S(G)
- S(j);N_GUARD::S(G),XS(j)
- Refutation
- S(j);CHECK,XP(E)
- Try
- Q(K);
- Vars
- B(h);OGATE,XP(E)::R1(D),XB(h)
- P(i);OGATE,XP(F)::R1(D),XP(i)
- B(h);N_GUARD::S(I),XB(h)
- B(h);N_GUARD::S(I)
- S(l);N_GUARD::S(G),XS(l)
- P(f);N_GUARD::S(G),XP(d)
- Refutation
- P(e);
- Try
- P(E);XB(h)
- Threat
- R1(D)
- Vars
- P(i);OGATE,XP(F)::R1(D),XP(i)
- P(e);OGATEB::QAB(K)
- Refutation
- P(i);XP(E)
- Try
- P(F);XP(i)
- Threat
- R1(D)
- Vars
- B(h);OGATE,XP(E)::R1(D),XB(h)
- P(e);OGATEB::QAB(K)
- Refutation
- B(h);XP(F)
- Try
- P(F);
- Threat
- R(H)
- Vars
- B(h);OGATE,XP(E)::R1(D),XB(h)
- P(e);OGATEB::QAB(K)
- S(l);N_GUARD::S(G),XS(l)
- Refutation
- P(k);XP(F)
- Try
- Actual
- Q(K);N_PINS(j),P_PINB(h)
- Vars
- S(j);CHECK,OGATE,XP(E)::R1(D),XS(j)
- S(j);N_GUARD,XP(F)::S(I)
- P(i);N_GUARD,XP(F)::QAR1(K),XB(h)
- S(j);N_GUARD::S(I),XS(j)
- S(j);N_GUARD::S(I)
- S(l);N_GUARD::R1(H),XP(i)
- P(e);OGATEB::QAB(K)
- P(f);N_GUARD::S(G),XP(d)
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