MESON Chess Problem Database
Problem Display
PID: 69457 (KB6/b3p3/R3Bp2/3RNP2/1N1nk1P1/r1npp1Q1/2PP4/4rb2 w - - 0 1)
Knuppert, Hugo
2nd Prize, Schiller MT, 1993-1994
#2
12 + 11
| 5635 | Czech Republic Solving Ty. | 2000 |
| 5926 | Chess Solving Yearbook 2000 | 2004 |
| 56 | The Problemist | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Rea1
- 2.Qxe3#
- 1...Rb1
- 2.Qxe3#
- 1...Rc1
- 2.Qxe3#
- 1...Rd1
- 2.Qxe3#
- 1...Re2
- 2.cxd3#
- 1...Be2
- 2.Qxe3#
- 1...Bg2
- 2.cxd3#
- 1...Bh3
- 2.cxd3#
- 1...Sce2
- 2.Qxe3#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxc2
- 2.Qf3#
- 1...Sde2
- 2.Qf3#
- 2.cxd3#
- 1...Sb3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sb5
- 2.Qf3#
- 1...Sxf5
- 2.Bxf5#
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...Sxe6
- 2.Qf3#
- 1...e2
- 2.Qe3#
- 2.cxd3#
- 1...fxe5
- 2.Rxe5#
- 1...Rea1
- Tries
- 1.Sbxd3?
- threat
- 2.Qf4#
- 1...Bxd3
- 2.cxd3#
- 1...Sxe6
- 2.Qf3#
- 1...fxe5
- 2.Rxe5#
- 1...Sce2
- 2.Qxe3#
- 1...Sde2
- 2.Qf3#
- 1...Sxd5!
- threat
- 1.Sexd3?
- threat
- 2.Qf4#
- 1...Bxb8
- 2.Sc5#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxe6
- 2.Rxe6#
- 1...Sce2
- 2.Qxe3#
- 1...Sde2!
- threat
- 1.Sf3?
- threat
- 2.Qf4#
- 1...Bxb8
- 2.Rxd4#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxe6
- 2.Rxe6#
- 1...Sde2
- 2.cxd3#
- 1...Sce2!
- threat
- 1.Sc4?
- threat
- 2.Qf4#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxe6
- 2.Rxe6#
- 1...Sce2
- 2.Qxe3#
- 1...Sde2
- 2.cxd3#
- 1...Bxb8!
- threat
- 1.Sec6?
- threat
- 2.Qf4#
- 1...Bxb8
- 2.Rxd4#
- 1...Sxd5
- 2.Bxd5#
- 1...Sce2
- 2.Qxe3#
- 1...Sde2
- 2.cxd3#
- 1...Sxe6!
- threat
- 1.Sg6?
- threat
- 2.Qf4#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxe6
- 2.Rxe6#
- 1...Sce2
- 2.Qxe3#
- 1...Sde2
- 2.cxd3#
- 1...Bxb8!
- threat
- 1.Sf7?
- threat
- 2.Qf4#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxe6
- 2.Rxe6#
- 1...Sce2
- 2.Qxe3#
- 1...Sde2
- 2.cxd3#
- 1...Bxb8!
- threat
- 1.Bxa7?
- threat
- 2.Rxd4#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxc2
- 2.Qf3#
- 1...Sxf5
- 2.Bxf5#
- 2.Qf3#
- 1...Sxe6
- 2.Qf3#
- 1...fxe5
- 2.Rxe5#
- 1...Sce2
- 2.Qxe3#
- 1...Sde2
- 2.Qxe3#
- 2.Qf3#
- 2.cxd3#
- 1...Sb3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sdb5
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...Scb5!
- threat
- 1.Rxd4+?
- 1...Bxd4
- 2.Qf3#
- 1...Kxd4!
- 1...Bxd4
- 1.Sbxd3?
- Keys
- 1.Sd7!
- threat
- 2.Qf4#
- 1...Bxb8
- 2.Sc5#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxe6
- 2.Rxe6#
- 1...Sce2
- 2.Qxe3#
- 1...Sde2
- 2.cxd3#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 14
- Sets
- R(a);N_GUARD::QAR1(C),XP(f)
- R(a);S_CUTB(b)::P(A),XP(e)
- B(b);S_CUTR(a)::QAR1(C),XP(f)
- B(b);N_GUARD::P(A),XP(e)
- S(d);S_CUTR(a)::QAR1(C),XP(f)
- S(d);OGATE,XR(F)::B(J),XS(d)
- S(g);N_GUARD,XP(A)::QAB1(C)
- S(g);N_GUARD::QAB1(C)
- S(g);N_GUARD::QAB1(C),XS(g)
- S(g);N_GUARD,XB(J)::QAB1(C)
- P(i);OGATE,XS(G)::R1(F),XP(i)
- Tries
- Try
- S(D);XP(e)
- Threat
- QAR1(C)
- Vars
- B(b);OGATE,XS(D)::P(A),XB(b)
- S(g);N_GUARD,XB(J)::QAB1(C)
- P(i);OGATE,XS(G)::R1(F),XP(i)
- S(d);S_CUTR(a)::QAR1(C),XP(f)
- S(g);N_GUARD::QAB1(C)
- Refutation
- S(d);XR(F)
- Try
- S(G);XP(e)
- Threat
- QAR1(C)
- Vars
- B(j);N_GUARD,P_PINR(I),XB(L)::S(G)
- S(d);OGATE,XR(F)::B(J),XS(d)
- S(g);OGATE,XB(J)::R(I),XS(g)
- S(d);S_CUTR(a)::QAR1(C),XP(f)
- Refutation
- S(g);
- Try
- S(G);
- Threat
- QAR1(C)
- Vars
- B(j);N_GUARD,P_PINR(I),XB(L)::R1(F),XS(g)
- S(d);OGATE,XR(F)::B(J),XS(d)
- S(g);OGATE,XB(J)::R(I),XS(g)
- S(g);S_CUTB(b)::P(A),XP(e)
- Refutation
- S(d);
- Try
- S(G);
- Threat
- QAR1(C)
- Vars
- S(d);OGATE,XR(F)::B(J),XS(d)
- S(g);OGATE,XB(J)::R(I),XS(g)
- S(d);S_CUTR(a)::QAR1(C),XP(f)
- S(g);S_CUTB(b)::P(A),XP(e)
- Refutation
- B(j);P_PINR(I),XB(L)
- Try
- S(G);
- Threat
- QAR1(C)
- Vars
- B(j);N_GUARD,P_PINR(I),XB(L)::R1(F),XS(g)
- S(d);OGATE,XR(F)::B(J),XS(d)
- S(d);S_CUTR(a)::QAR1(C),XP(f)
- S(g);S_CUTB(b)::P(A),XP(e)
- Refutation
- S(g);XB(J)
- Try
- S(G);
- Threat
- QAR1(C)
- Vars
- S(d);OGATE,XR(F)::B(J),XS(d)
- S(g);OGATE,XB(J)::R(I),XS(g)
- S(d);S_CUTR(a)::QAR1(C),XP(f)
- S(g);S_CUTB(b)::P(A),XP(e)
- Refutation
- B(j);P_PINR(I),XB(L)
- Try
- S(G);
- Threat
- QAR1(C)
- Vars
- S(d);OGATE,XR(F)::B(J),XS(d)
- S(g);OGATE,XB(J)::R(I),XS(g)
- S(d);S_CUTR(a)::QAR1(C),XP(f)
- S(g);S_CUTB(b)::P(A),XP(e)
- Refutation
- B(j);P_PINR(I),XB(L)
- Try
- B(L);XB(j)
- Threat
- R1(F),XS(g)
- Vars
- S(d);OGATE,XR(F)::B(J),XS(d)
- S(g);N_GUARD,XP(A)::QAB1(C)
- S(g);N_GUARD,XB(J)::QAB1(C)
- P(i);OGATE,XS(G)::R1(F),XP(i)
- S(d);S_CUTR(a)::QAR1(C),XP(f)
- S(g);N_GUARD::QAB1(C)
- S(g);N_GUARD::QAB1(C),XS(g)
- Refutation
- S(d);
- Try
- R(F);CHECK,XS(g)
- Vars
- B(j);P_PINR(I),SBLOCK,XR(F)::QAB1(C)
- Refutation
- K(h);P-FLIGHT,XR(F)
- Try
- Actual
- S(G);
- Threat
- QAR1(C)
- Vars
- B(j);N_GUARD,P_PINR(I),XB(L)::S(G)
- S(d);OGATE,XR(F)::B(J),XS(d)
- S(g);OGATE,XB(J)::R(I),XS(g)
- S(d);S_CUTR(a)::QAR1(C),XP(f)
- S(g);S_CUTB(b)::P(A),XP(e)
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