MESON Chess Problem Database
Problem Display
PID: 254521 (1B2R3/1K1p2b1/N1pP1pQn/3kp3/BR1N1p2/1pP1r3/8/1r6 w - - 0 1)
Dittrich, Stefan
Probleemblad, 1983
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bxb3#
- 1...Rc1
- 2.Bxb3#
- 1...Rd1
- 2.Bxb3#
- 1...Rbe1
- 2.Bxb3#
- 1...Rf1
- 2.Bxb3#
- 1...Rg1
- 2.Bxb3#
- 1...Rh1
- 2.Bxb3#
- 1...b2
- 2.Bb3#
- 1...exd4
- 2.Rxd4#
- 2.c4#
- 1...Ra1
- Tries
- 1.Se2?
- threat
- 2.c4#
- 1...Rxe2
- 2.Qd3#
- 1...Rxc3
- 2.Sxc3#
- 2.Qe4#
- 1...Rc1
- 2.Bxb3#
- 1...Re4
- 2.Qxe4#
- 1...Sf5
- 2.Qf7#
- 1...f5!
- threat
- 1.Sxb3?
- threat
- 2.c4#
- 1...Rxb3
- 2.Bxb3#
- 1...Rxc3
- 2.Qe4#
- 1...f5
- 2.Sc7#
- 1...Re4
- 2.Qxe4#
- 1...Sf5
- 2.Qf7#
- 1...Rc1!
- threat
- 1.Sf3?
- threat
- 2.c4#
- 1...Rxc3
- 2.Qe4#
- 1...Rxf3
- 2.Qe4#
- 1...Rc1
- 2.Bxb3#
- 1...Re4
- 2.Qxe4#
- 1...Sf5
- 2.Qf7#
- 1...f5!
- threat
- 1.Sb5?
- threat
- 2.c4#
- 1...Rxc3
- 2.Sxc3#
- 2.Qe4#
- 1...f5
- 2.Sbc7#
- 1...Rc1
- 2.Bxb3#
- 1...Re4
- 2.Qxe4#
- 1...Sf5
- 2.Qf7#
- 1...cxb5!
- threat
- 1.Se6?
- threat
- 2.c4#
- 1...Rxc3
- 2.Qe4#
- 1...dxe6
- 2.Bxc6#
- 1...e4
- 2.Sxf4#
- 1...f5
- 2.Sec7#
- 1...Rc1
- 2.Bxb3#
- 1...Re4
- 2.Qxe4#
- 1...Sf5!
- threat
- 1.Rb5+?
- 1...Kc4
- 2.Rc5#
- 1...c5
- 2.Rxc5#
- 1...cxb5!
- 1...Kc4
- 1.Qd3?
- threat
- 2.c4#
- 1...Rc1
- 2.Bxb3#
- 1...Rxd3!
- threat
- 1.Qf7+?
- 1...Ke4
- 2.Sc5#
- 1...Sxf7!
- 1...Ke4
- 1.Se2?
- Keys
- 1.Sxc6!
- threat
- 2.c4#
- 1...Rxc3
- 2.Qe4#
- 1...dxc6
- 2.Bxc6#
- 1...f5
- 2.Se7#
- 1...Rc1
- 2.Bxb3#
- 1...Re4
- 2.Qxe4#
- 1...Sf5
- 2.Qf7#
- threat
- 1.Sxc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- R(a);N_GUARD::B(B),XP(b)
- P(b);S_CUTR(a)::B(B)
- Tries
- Try
- S(D);
- Threat
- P(A)
- Vars
- R(c);N_GUARD,XS(D)::QAR2(G)
- R(a);N_GUARD::B(B),XP(b)
- R(c);N_GUARD::QAB1(G),XR(c)
- S(i);N_GUARD::QAB(G)
- Refutation
- P(h);
- Try
- S(D);XP(b)
- Threat
- P(A)
- Vars
- R(a);OGATE,P_PINR(C),XS(D)::B(B),XR(a)
- R(c);N_GUARD,XP(A)::QAB1(G)
- P(h);::S(E)
- R(c);N_GUARD::QAB1(G),XR(c)
- S(i);N_GUARD::QAB(G)
- Refutation
- R(a);
- Try
- S(D);
- Threat
- P(A)
- Vars
- R(c);N_GUARD,XP(A)::QAB1(G)
- R(c);N_GUARD,XS(D)::QAB1(G)
- R(a);N_GUARD::B(B),XP(b)
- R(c);N_GUARD::QAB1(G),XR(c)
- S(i);N_GUARD::QAB(G)
- Refutation
- P(h);
- Try
- S(D);
- Threat
- P(A)
- Vars
- P(h);::S(D)
- R(a);N_GUARD::B(B),XP(b)
- R(c);N_GUARD::QAB1(G),XR(c)
- S(i);N_GUARD::QAB(G)
- Refutation
- P(g);XS(D)
- Try
- S(D);
- Threat
- P(A)
- Vars
- R(c);N_GUARD,XP(A)::QAB1(G)
- P(j);N_GUARD,XS(D)::B(B),XP(g)
- P(f);N_GUARD::S(D),XP(d)
- P(h);::S(D)
- R(a);N_GUARD::B(B),XP(b)
- R(c);N_GUARD::QAB1(G),XR(c)
- Refutation
- S(i);
- Try
- R(C);CHECK
- Vars
- K(e);S_FLIGHT::R1(C)
- P(g);P_SPINP(g)::R1(C),XP(g)
- Refutation
- P(g);XR(C)
- Try
- Q(G);
- Threat
- P(A)
- Vars
- R(a);N_GUARD::B(B),XP(b)
- Refutation
- R(c);XQ(G)
- Try
- Q(G);CHECK
- Vars
- K(e);N_GUARD,P_SPINP(f),S_CUTS(i),S_FLIGHT::S(E)
- Refutation
- S(i);XQ(G)
- Try
- Actual
- S(D);XP(g)
- Threat
- P(A)
- Vars
- R(c);N_GUARD,XP(A)::QAB1(G)
- P(j);OGATE,XS(D)::B(B),XP(j)
- P(h);::S(D)
- R(a);N_GUARD::B(B),XP(b)
- R(c);N_GUARD::QAB1(G),XR(c)
- S(i);N_GUARD::QAB(G)
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