MESON Chess Problem Database
Problem Display
PID: 182494 (6K1/5BB1/Q6p/3P1RbR/p3k1P1/r6p/b3N2P/3N4 w - - 0 1)
Preiswerk, Walther Edouard
Neue Zurcher Zeitung, 1946
#2
11 + 7
| 16108 | Walther Preiswerks Shachprobleme (M. Henneberger) | 1949 |
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Qc4#
- 1...Rc3
- 2.Sexc3#
- 1...Rd3
- 2.Qe6#
- 1...Re3
- 2.Sf2#
- 1...Rf3
- 2.Re5#
- 1...Rg3
- 2.Sxg3#
- 1...Bb1
- 2.Qc4#
- 1...Bb3
- 2.Sec3#
- 2.Sg3#
- 1...Bc4
- 2.Qxc4#
- 1...Bxd5
- 2.Bxd5#
- 1...Be3
- 2.Sg3#
- 1...Bf4
- 2.Rxf4#
- 1...Bh4
- 2.Rf4#
- 1...Bf6
- 2.Rf4#
- 1...Be7
- 2.Rf4#
- 1...Bd8
- 2.Rf4#
- 1...Rb3
- Tries
- 1.Bc3?
- threat
- 2.Sg3#
- 1...Bc4
- 2.Qxc4#
- 1...Bf4
- 2.Rxf4#
- 1...Bh4
- 2.Rf4#
- 1...Rxc3!
- threat
- 1.Bd4?
- threat
- 2.Sf2#
- 1...Bf4
- 2.Rxf4#
- 1...Rf3
- 2.Re5#
- 1...Bh4
- 2.Rf4#
- 1...Be3!
- threat
- 1.Rf1?
- threat
- 2.Qg6#
- 1...Bf6
- 2.Bg6#
- 2.Rf4#
- 1...Rf3!
- threat
- 1.Rf2?
- threat
- 2.Qg6#
- 1...Bf6
- 2.Bg6#
- 2.Rf4#
- 1...Rf3!
- threat
- 1.Rxh3?
- threat
- 2.Sf2#
- 2.Re5#
- 2.Qe6#
- 1...Bxd5
- 2.Sf2#
- 2.Bxd5#
- 2.Re5#
- 1...Re3
- 2.Sf2#
- 2.Re5#
- 1...Rf3
- 2.Re5#
- 1...Rg3
- 2.Sxg3#
- 1...Be3
- 2.Sg3#
- 2.Re5#
- 1...Bf4
- 2.Sf2#
- 2.Rxf4#
- 1...Bh4
- 2.Rf4#
- 2.Re5#
- 2.Qe6#
- 1...Bf6
- 2.Sf2#
- 1...Rxh3!
- threat
- 1.Rhxg5?
- threat
- 2.Rf4#
- 1...Bc4
- 2.Qxc4#
- 1...Rf3
- 2.Re5#
- 1...hxg5!
- threat
- 1.Qg6?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf4#
- 1...Bf4
- 2.Rxf4#
- 1...Rf3
- 2.Rf4#
- 2.Re5#
- 1...Kd3!
- threat
- 1.Bc3?
- Keys
- 1.Bg6!
- 1...Bxd5+
- 2.Rf7#
- 1...Bc4
- 2.Qxc4#
- 1...Bf4
- 2.Rxf4#
- 1...Bc1
- 2.Rf1#
- 2.Rf2#
- 2.Rf4#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Rb3
- 2.Qc4#
- 1...Rc3
- 2.Sexc3#
- 1...Rd3
- 2.Qe6#
- 1...Re3
- 2.Sf2#
- 1...Rf3
- 2.Re5#
- 1...Rg3
- 2.Sxg3#
- 1...Bb1
- 2.Qc4#
- 1...Bb3
- 2.Sec3#
- 2.Sg3#
- 1...Bd2
- 2.Rf1#
- 2.Rf2#
- 2.Rf4#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Be3
- 2.Sg3#
- 2.Rf1#
- 2.Rf2#
- 2.Rf4#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Bh4
- 2.Rf1#
- 2.Rf2#
- 2.Rf4#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Bf6
- 2.Rf1#
- 2.Rf2#
- 2.Rf4#
- 2.Rxf6#
- 1...Be7
- 2.Rf1#
- 2.Rf2#
- 2.Rf4#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Bd8
- 2.Rf1#
- 2.Rf2#
- 2.Rf4#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Bxd5+
- 1.Bg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(b);S_CUTB(a)::QAR2(H)
- R(b);N_GUARD::S(B),XR(b)
- R(b);SBLOCK::QAR2(H)
- R(b);SBLOCK::S(A)
- R(b);SBLOCK::R1(F)
- B(a);N_GUARD::QAR2(H)
- B(a);N_GUARD::QAR2(H),XB(a)
- B(a);OGATE,P_PINB(I),XP(E)::B(I),XB(a)
- B(f);S_CUTR(b)::S(B)
- B(f);N_GUARD::R1(F),XB(f)
- B(f);N_GUARD::R1(F)
- Tries
- Try
- B(J);
- Threat
- S(B)
- Vars
- B(a);N_GUARD::QAR2(H),XB(a)
- B(f);N_GUARD::R1(F),XB(f)
- B(f);N_GUARD::R1(F)
- Refutation
- R(b);XB(J)
- Try
- B(J);
- Threat
- S(A)
- Vars
- B(f);N_GUARD::R1(F),XB(f)
- R(b);SBLOCK::R1(F)
- B(f);N_GUARD::R1(F)
- Refutation
- B(f);
- Try
- R(F);
- Threat
- QAB(H)
- Refutation
- R(b);
- Try
- R(F);
- Threat
- QAB(H)
- Refutation
- R(b);
- Try
- R(G);XP(c)
- Threat
- DUALS(3)
- Vars
- R(b);::R1(F)
- R(b);N_GUARD::S(B),XR(b)
- B(f);::S(A)
- Refutation
- R(b);XR(G)
- Try
- R(G);XB(f)
- Threat
- R1(F)
- Vars
- B(a);N_GUARD::QAR2(H),XB(a)
- R(b);SBLOCK::R1(F)
- Refutation
- P(g);XR(G)
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- B(f);::QAB(H)+R(F),DCHECK,XB(f)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- B(I);P_SPINP(E)
- Vars
- B(a);CHECK,SBLOCK,XP(E)::B(I)+R(F)
- B(a);N_GUARD::QAR2(H),XB(a)
- B(f);::B(I)+R(F),DCHECK,XB(f)
- R(b);N_PINP(E),S_CUTB(a)::QAR2(H)
- R(b);N_GUARD::S(B),XR(b)
- R(b);SBLOCK::QAR2(H)
- R(b);SBLOCK::S(A)
- R(b);SBLOCK::B(I)+R(F),DCHECK
- B(a);N_GUARD,N_PINP(E)::QAR2(H)
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