MESON Chess Problem Database
Problem Display
PID: 99444 (1b2nr2/8/b3N3/r1pNB2R/2BPkp2/1q1pP1P1/2PP4/5Q1K w - - 0 1)
Wielgos, Oskar
Magyar Sakkelet, 1986
#2
12 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Sc3#
- 2.cxd3#
- 1...Qa4
- 2.Sc3#
- 2.cxd3#
- 1...Qb1
- 2.Sc3#
- 1...Qb2
- 2.cxd3#
- 1...Qc3
- 2.Sxc3#
- 1...Qb4
- 2.cxd3#
- 1...Qb5
- 2.Sc3#
- 2.cxd3#
- 1...Qb6
- 2.Sc3#
- 2.cxd3#
- 1...Qb7
- 2.Sc3#
- 2.cxd3#
- 1...Ra1
- 2.Sxc5#
- 1...Ra2
- 2.Sxc5#
- 1...Ra3
- 2.Sxc5#
- 1...Ra4
- 2.Sxc5#
- 1...Rg8
- 2.Qxf4#
- 1...Rh8
- 2.Qxf4#
- 1...Bb5
- 2.Sxc5#
- 1...Bxe5
- 2.Rxe5#
- 1...Sf6
- 2.Qxf4#
- 1...fxe3
- 2.Sg5#
- 1...fxg3
- 2.Sg5#
- 1...Qa2
- Tries
- 1.Kg2?
- threat
- 2.Qf3#
- 1...fxe3
- 2.Sg5#
- 1...fxg3
- 2.Sg5#
- 1...f3+!
- threat
- 1.Sf6+?
- 1...Sxf6
- 2.Qxf4#
- 1...Rxf6!
- 1...Sxf6
- 1.Sexf4?
- threat
- 2.Qg2#
- 1...Rxf4
- 2.Qxf4#
- 1...Qb1
- 2.Sc3#
- 1...Ra1!
- threat
- 1.Bxf4?
- threat
- 2.Qg2#
- 1...Qb1
- 2.Sc3#
- 1...Ra1
- 2.Sxc5#
- 1...Rxf4!
- threat
- 1.Bxb8?
- threat
- 2.Re5#
- 1...Qxb8
- 2.Sc3#
- 2.cxd3#
- 1...Rh8
- 2.Qxf4#
- 1...Rf5!
- threat
- 1.exf4?
- threat
- 2.Qg2#
- 1...Rxf4
- 2.Qxf4#
- 1...Qb1
- 2.Sc3#
- 1...Ra1
- 2.Sxc5#
- 1...dxc2!
- threat
- 1.gxf4?
- threat
- 2.Qg2#
- 1...Rxf4
- 2.Qxf4#
- 1...Qb1
- 2.Sc3#
- 1...Ra1
- 2.Sxc5#
- 1...Rg8!
- threat
- 1.Kg2?
- Keys
- 1.Sdxf4!
- threat
- 2.Qg2#
- 1...Rxf4
- 2.Qxf4#
- 1...Qb1
- 2.Bd5#
- 1...Ra1
- 2.Sxc5#
- threat
- 1.Sdxf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 13
- Sets
- Q(a);N_GUARD,P_PINQ(A)::S(I)
- Q(a);N_GUARD::P(C),XP(b)
- Q(a);N_GUARD::S(I),XQ(a)
- R(e);N_GUARD,P_PINQ(A)::S(L),XP(f)
- R(e);N_GUARD::S(L),XP(f)
- R(j);N_GUARD::QAR1(A),XP(d)
- R(j);N_GUARD,P_PINR(K)::QAR1(A),XP(d)
- B(g);S_CUTR(e)::S(L),XP(f)
- B(h);OGATE,XB(J)::R1(K),XB(h)
- S(i);S_CUTR(j)::QAR1(A),XP(d)
- P(d);XP(E)::S(L)
- P(d);XP(F)::S(L)
- Tries
- Try
- K(B);S_FLIGHT
- Threat
- QAB1(A)
- Vars
- P(d);XP(E)::S(L)
- P(d);XP(F)::S(L)
- Refutation
- P(d);CHECK
- Try
- S(I);CHECK
- Vars
- S(i);XS(I)::QAR1(A),XP(d)
- Refutation
- R(j);XS(I)
- Try
- S(L);XP(d)
- Threat
- QAB(A)
- Vars
- R(j);OGATE,XS(L)::QAR1(A),XR(j)
- Q(a);N_GUARD,P_PINQ(A)::S(I)
- Refutation
- R(e);P_PINQ(A)
- Try
- B(J);XP(d)
- Threat
- QAB(A)
- Vars
- Q(a);N_GUARD,P_PINQ(A)::S(I)
- R(e);N_GUARD,P_PINQ(A)::S(L),XP(f)
- Refutation
- R(j);XB(J)
- Try
- B(J);XB(h)
- Threat
- R1(K)
- Vars
- R(j);N_GUARD,P_PINR(K)::QAR1(A),XP(d)
- Refutation
- R(j);
- Try
- P(E);XP(d)
- Threat
- QAB(A)
- Vars
- R(j);OGATE,XP(E)::QAR1(A),XR(j)
- Q(a);N_GUARD,P_PINQ(A)::S(I)
- R(e);N_GUARD,P_PINQ(A)::S(L),XP(f)
- Refutation
- P(b);XP(C)
- Try
- P(F);XP(d)
- Threat
- QAB(A)
- Vars
- R(j);OGATE,XP(F)::QAR1(A),XR(j)
- Q(a);N_GUARD,P_PINQ(A)::S(I)
- R(e);N_GUARD,P_PINQ(A)::S(L),XP(f)
- Refutation
- R(j);
- Try
- Actual
- S(I);XP(d)
- Threat
- QAB(A)
- Vars
- R(j);OGATE,XS(I)::QAR1(A),XR(j)
- Q(a);N_GUARD,P_PINQ(A)::B(G)
- R(e);N_GUARD,P_PINQ(A)::S(L),XP(f)
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