MESON Chess Problem Database
Problem Display
PID: 231832 (1B2B1K1/6b1/p1r1P2p/1N1k3p/1P5R/2p3P1/5PN1/4R2Q w - - 0 1)
Baumann, Hannes
Hoffmann, Martin Wolfgang
Schweizerische Schachzeitung, 1987
#2
12 + 7
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Sf4#
- 1...Rd6
- 2.Sc7#
- 1...Rxe6
- 2.Se3#
- 1...Bd4
- 2.Rxd4#
- 1...Be5
- 2.Rxe5#
- 1...Bf8
- 2.Re5#
- 2.Rd4#
- 1...Rc4
- Tries
- 1.Kf7?
- threat
- 2.Se3#
- 1...Rd6
- 2.Sc7#
- 1...Rc7+!
- threat
- 1.Kxg7?
- threat
- 2.Re5#
- 2.Rd4#
- 1...Rxe6
- 2.Se3#
- 2.Sxc3#
- 2.Rd1#
- 2.Rd4#
- 1...axb5
- 2.Re5#
- 1...Rc4
- 2.Sf4#
- 2.Re5#
- 2.Rxh5#
- 1...Rd6
- 2.Sxc3#
- 2.Sc7#
- 2.Rd4#
- 1...Rc7+!
- threat
- 1.Bxh5?
- threat
- 2.Bf3#
- 1...Rxe6
- 2.Se3#
- 1...Rc4
- 2.Sf4#
- 1...Bd4
- 2.Rxd4#
- 1...Be5
- 2.Rxe5#
- 1...Rc8+!
- threat
- 1.Re3?
- threat
- 2.Se1#
- 1...Bd4
- 2.Rxd4#
- 1...Be5
- 2.Rxe5#
- 1...Rc4
- 2.Sf4#
- 1...Rxe6!
- threat
- 1.Ree4?
- threat
- 2.Se3#
- 2.Sf4#
- 1...Be5
- 2.Rxe5#
- 1...Bd4!
- threat
- 1.Rhe4?
- threat
- 2.Se3#
- 2.Sf4#
- 1...Bd4
- 2.Rxd4#
- 1...Be5!
- threat
- 1.Rf4?
- threat
- 2.Sh4#
- 1...Rxe6
- 2.Se3#
- 1...Bd4
- 2.Rxd4#
- 1...Be5
- 2.Rxe5#
- 1...h4
- 2.Sxh4#
- 1...Rc4!
- threat
- 1.Rg4?
- threat
- 2.Sh4#
- 1...Rxe6
- 2.Se3#
- 1...Bd4
- 2.Rxd4#
- 1...Be5
- 2.Rxe5#
- 1...Rc4
- 2.Sf4#
- 1...h4
- 2.Sxh4#
- 1...hxg4!
- threat
- 1.Qf1?
- threat
- 2.Sf4#
- 1...Be5
- 2.Rxe5#
- 1...Rc4
- 2.Qxc4#
- 1...axb5!
- threat
- 1.Qh3?
- threat
- 2.Se3#
- 1...Rxe6
- 2.Qxe6#
- 1...Bd4
- 2.Rxd4#
- 1...Rd6
- 2.Sc7#
- 1...Rc7!
- threat
- 1.Kf7?
- Keys
- 1.Re2!
- threat
- 2.Se1#
- 1...Rxe6
- 2.Se3#
- 1...Bd4
- 2.Rxd4#
- 1...Be5
- 2.Rxe5#
- 1...Rc4
- 2.Sf4#
- threat
- 1.Re2!
This is after
After C. Groeneveld.
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(e);SBLOCK::QAB(B)+S(D),DCHECK
- R(e);N_GUARD,SBLOCK::S(H)
- R(e);SBLOCK,XP(I)::QAB(B)+S(D),DCHECK
- B(g);N_GUARD::R1(G),XB(g)
- B(g);N_GUARD::R1(A),XB(g)
- Tries
- Try
- K(L);S_FLIGHT
- Threat
- QAB(B)+S(D),DCHECK
- Vars
- R(e);N_GUARD,SBLOCK::S(H)
- Refutation
- R(e);CHECK
- Try
- K(L);P-FLIGHT,XB(g)
- Threat
- DUALS(2)
- Vars
- P(d);XS(H)::R1(A)
- Refutation
- R(e);CHECK
- Try
- B(K);XP(c)
- Threat
- B(K)
- Vars
- R(e);SBLOCK,XP(I)::QAB(B)+S(D),DCHECK
- R(e);SBLOCK::QAB(B)+S(D),DCHECK
- B(g);N_GUARD::R1(G),XB(g)
- B(g);N_GUARD::R1(A),XB(g)
- Refutation
- R(e);CHECK
- Try
- R(A);
- Threat
- QAB(B)+S(D)
- Vars
- B(g);N_GUARD::R1(G),XB(g)
- B(g);N_GUARD::R1(A),XB(g)
- R(e);SBLOCK::QAB(B)+S(D),DCHECK
- Refutation
- R(e);XP(I)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- B(g);N_GUARD::R1(A),XB(g)
- Refutation
- B(g);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(g);N_GUARD::R1(G),XB(g)
- Refutation
- B(g);
- Try
- R(G);
- Threat
- QAB(B)+S(D)
- Vars
- R(e);SBLOCK,XP(I)::QAB(B)+S(D),DCHECK
- B(g);N_GUARD::R1(G),XB(g)
- B(g);N_GUARD::R1(A),XB(g)
- P(c);::QAB(B)+S(D),XP(c)
- Refutation
- R(e);
- Try
- R(G);
- Threat
- QAB(B)+S(D)
- Vars
- R(e);SBLOCK,XP(I)::QAB(B)+S(D),DCHECK
- B(g);N_GUARD::R1(G),XB(g)
- B(g);N_GUARD::R1(A),XB(g)
- R(e);SBLOCK::QAB(B)+S(D),DCHECK
- P(c);::QAB(B)+S(D),XP(c)
- Refutation
- P(c);XR(G)
- Try
- Q(B);
- Threat
- S(D)
- Vars
- B(g);N_GUARD::R1(A),XB(g)
- R(e);N_GUARD::QAB1(B),XR(e)
- Refutation
- P(d);XS(H)
- Try
- Q(B);
- Threat
- S(D)
- Vars
- R(e);OGATE,XP(I)::QAB1(B),XR(e)
- B(g);N_GUARD::R1(G),XB(g)
- R(e);N_GUARD,SBLOCK::S(H)
- Refutation
- R(e);
- Try
- Actual
- R(A);
- Threat
- QAB(B)+S(D)
- Vars
- R(e);SBLOCK,XP(I)::QAB(B)+S(D),DCHECK
- B(g);N_GUARD::R1(G),XB(g)
- B(g);N_GUARD::R1(A),XB(g)
- R(e);SBLOCK::QAB(B)+S(D),DCHECK
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