MESON Chess Problem Database
Problem Display
PID: 37649 (bN6/r2R4/3p4/3BkpKn/n1P5/2P1BQ2/3N4/q4rb1 w - - 0 1)
Schonholzer, Andreas
1st Prize, Schach-Echo, 1969
#2
9 + 10
| 3690 | Kunstschach in der Schweiz | 1980 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Qxf5#
- 1...Rc1
- 2.Qxf5#
- 1...Rd1
- 2.Qxf5#
- 1...Re1
- 2.Qxf5#
- 1...Rf2
- 2.Bd4#
- 1...Rxf3
- 2.Sxf3#
- 1...Ra5
- 2.Re7#
- 1...Ra6
- 2.Re7#
- 1...Rb7
- 2.Sc6#
- 1...Rxd7
- 2.Sxd7#
- 1...Bf2
- 2.Qxf5#
- 1...Bh2
- 2.Bd4#
- 1...Bxe3+
- 2.Qxe3#
- 1...Bxd5
- 2.Qxd5#
- 1...Bc6
- 2.Sxc6#
- 1...Bb7
- 2.Re7#
- 1...Sg3
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sf6
- 2.Bf4#
- 1...Sg7
- 2.Bf4#
- 1...f4
- 2.Qe4#
- 1...Rb1
- Tries
- 1.Bf2?
- threat
- 2.Qe2#
- 2.Qe3#
- 2.Qxf5#
- 1...Qxc3
- 2.Qxf5#
- 1...Rxf2
- 2.Qe3#
- 1...Bxf2
- 2.Qxf5#
- 1...Bxd5
- 2.Qxd5#
- 2.Qxf5#
- 1...Sxc3
- 2.Qxf5#
- 1...Qd1
- 2.Qe3#
- 2.Qxf5#
- 1...Qe1
- 2.Qxf5#
- 1...Re1
- 2.Qxf5#
- 1...Sc5
- 2.Qxf5#
- 1...Sg3
- 2.Qf4#
- 1...Sf4
- 2.Qe3#
- 2.Qxf4#
- 1...Sf6
- 2.Qf4#
- 2.Qxf5#
- 1...Sg7
- 2.Qe2#
- 2.Qe3#
- 2.Qf4#
- 1...f4
- 2.Qe2#
- 2.Qe4#
- 1...Qb1!
- threat
- 1.Bb7?
- threat
- 2.Re7#
- 2.Qd5#
- 1...Bxe3+
- 2.Qxe3#
- 1...Ke6
- 2.Qd5#
- 1...Rxf3
- 2.Re7#
- 1...Rxb7
- 2.Qd5#
- 1...Bxb7
- 2.Re7#
- 1...Sxc3
- 2.Re7#
- 1...Ra5
- 2.Re7#
- 1...Sc5
- 2.Qd5#
- 1...Sb6
- 2.Re7#
- 1...Sf6
- 2.Re7#
- 1...Sg7
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...Sf4!
- threat
- 1.Rxa7?
- threat
- 2.Sd7#
- 2.Re7#
- 1...Bxe3+
- 2.Qxe3#
- 1...Bxd5
- 2.Qxd5#
- 1...Bc6
- 2.Sxc6#
- 2.Re7#
- 1...Bb7
- 2.Sd7#
- 1...Sb6
- 2.Re7#
- 1...Sf4
- 2.Sd7#
- 2.Bxf4#
- 1...Sf6
- 2.Bf4#
- 2.Re7#
- 1...Sg7
- 2.Sd7#
- 2.Bf4#
- 1...Sc5!
- threat
- 1.Qf2?
- threat
- 2.Sf3#
- 2.Bd4#
- 1...Qxc3
- 2.Sf3#
- 1...Rxf2
- 2.Bd4#
- 1...Bxf2
- 2.Sf3#
- 1...Qd1
- 2.Bd4#
- 1...Bxd5!
- threat
- 1.Bf2?
- Keys
- 1.Rb7!
- threat
- 2.Sc6#
- 2.Sd7#
- 1...Bxe3+
- 2.Qxe3#
- 1...Rxb7
- 2.Sc6#
- 1...Bxb7
- 2.Sd7#
- 1...Ra6
- 2.Sd7#
- 2.Re7#
- 1...Sc5
- 2.Sc6#
- 1...Sb6
- 2.Sc6#
- 1...Sf6
- 2.Sc6#
- 2.Bf4#
- threat
- 1.Rb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 18
- Sets
- R(b);N_GUARD::QAR1(D),XP(f)
- R(b);S_CUTB(c)::B(C)
- R(b);XQ(D)::S(A),XR(b)
- R(i);N_GUARD::R(H)
- R(i);S_CUTB(j)::S(I)
- R(i);XR(H)::S(I),XR(i)
- B(c);S_CUTR(b)::QAR1(D),XP(f)
- B(c);N_GUARD::B(C)
- B(c);CHECK,OGATE,XB(C)::QAR2(D),XB(c)
- B(j);OGATE,XB(F)::QAR1(D),XB(j)
- B(j);N_GUARD::S(I),XB(j)
- B(j);S_CUTR(i)::R(H)
- S(g);N_GUARD::B(C)
- S(g);N_GUARD::B(C),XS(g)
- P(f);N_GUARD::QAR1(D)
- Tries
- Try
- B(C);
- Threat
- DUALS(3)
- Vars
- Q(a);XP(B)::QAR1(D),XP(f)
- R(b);XB(C)::QAR2(D)
- B(c);XB(C)::QAR1(D),XP(f)
- S(d);XP(B)::QAR1(D),XP(f)
- Q(a);::QAR1(D),XP(f)
- R(b);::QAR1(D),XP(f)
- S(d);::QAR1(D),XP(f)
- S(g);N_GUARD::QAB1(D)
- Refutation
- Q(a);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- B(c);CHECK,OGATE,XB(C)::QAR2(D),XB(c)
- K(e);P-FLIGHT::QAB1(D)
- R(b);XQ(D)::R(H)
- R(i);XB(F)::QAR1(D)
- B(j);XB(F)::R(H)
- S(d);XP(B)::R(H)
- R(i);::R(H)
- S(d);::QAR1(D)
- S(d);::R(H)
- S(g);::R(H)
- S(g);::QAR1(D)
- P(h);::QAR1(D),XP(h)
- Refutation
- S(g);
- Try
- R(H);XR(i)
- Threat
- DUALS(2)
- Vars
- B(c);CHECK,OGATE,XB(C)::QAR2(D),XB(c)
- B(j);OGATE,XB(F)::QAR1(D),XB(j)
- B(j);::S(I)
- S(d);::R(H)
- Refutation
- S(d);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(B)::S(A)
- R(b);XQ(D)::B(C)
- B(c);XQ(D)::S(A)
- Q(a);::B(C)
- Refutation
- B(j);XB(F)
- Try
- Actual
- R(H);
- Threat
- DUALS(2)
- Vars
- B(c);CHECK,OGATE,XB(C)::QAR2(D),XB(c)
- R(i);XR(H)::S(I)
- B(j);XR(H)::S(I)
- S(d);::S(I)
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