MESON Chess Problem Database
Problem Display
PID: 92155 (8/2n4K/B1PQ4/3p3p/1N1k1pnr/5P2/1PRbP1N1/1b6 w - - 0 1)
Wielgos, Oskar
Deutsche Schachzeitung, 1986
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Rxd2#
- 1...Bxc2+
- 2.Sxc2#
- 1...Be1
- 2.Qxf4#
- 1...Bc3
- 2.bxc3#
- 1...Bxb4
- 2.Qxf4#
- 1...Sf2
- 2.Qf6#
- 1...Sh2
- 2.Qf6#
- 1...Se3
- 2.Qf6#
- 1...Se5
- 2.Qc5#
- 1...Sf6+
- 2.Qxf6#
- 1...Sh6
- 2.Qf6#
- 1...Sb5
- 2.Qxd5#
- 1...Sxa6
- 2.Qxd5#
- 1...Se6
- 2.Qxd5#
- 1...Sa8
- 2.Qxd5#
- 1...Se8
- 2.Qxd5#
- 1...Ba2
- Tries
- 1.Kg8?
- threat
- 2.Rc4#
- 1...Sf6+
- 2.Qxf6#
- 1...Bxc2
- 2.Sxc2#
- 1...Sxa6
- 2.Qxd5#
- 1...Ba2
- 2.Rxd2#
- 1...Bc3
- 2.bxc3#
- 1...Se3
- 2.Qf6#
- 1...Se5
- 2.Qc5#
- 1...Sb5
- 2.Qxd5#
- 1...Sh6+!
- threat
- 1.Sd3?
- threat
- 2.Rc4#
- 2.Qc5#
- 1...Sf6+
- 2.Qxf6#
- 1...Bxc2
- 2.Qc5#
- 1...Ba2
- 2.Qc5#
- 1...Bc3
- 2.Qxf4#
- 2.Qc5#
- 2.bxc3#
- 1...Bb4
- 2.Rc4#
- 2.Qxb4#
- 2.Qxf4#
- 1...Se3
- 2.Qc5#
- 2.Qe5#
- 2.Qf6#
- 1...Se5
- 2.Qc5#
- 2.Qxe5#
- 1...Sb5
- 2.Qc5#
- 1...Se6
- 2.Rc4#
- 1...Sxa6!
- threat
- 1.Bd3?
- threat
- 2.Rc4#
- 1...Sf6+
- 2.Qxf6#
- 1...Bxc2
- 2.Sxc2#
- 1...Bc3
- 2.bxc3#
- 1...Se3
- 2.Qf6#
- 1...Se5
- 2.Qc5#
- 1...Ba2!
- threat
- 1.e3+?
- 1...Sxe3
- 2.Qf6#
- 1...fxe3
- 2.Qf4#
- 1...Bxe3!
- 1...Sxe3
- 1.e4?
- threat
- 2.Rc4#
- 1...Sf6+
- 2.Qxf6#
- 1...Bxc2
- 2.Sxc2#
- 1...Sxa6
- 2.Qxd5#
- 1...fxe4 ep
- 2.Qf4#
- 1...Ba2
- 2.Rxd2#
- 1...Bc3
- 2.bxc3#
- 1...Se3
- 2.Qf6#
- 1...Se5
- 2.Qc5#
- 1...Sb5
- 2.Qxd5#
- 1...Bxb4!
- threat
- 1.Kg8?
- Keys
- 1.Kh8!
- threat
- 2.Rc4#
- 1...Bxc2
- 2.Sxc2#
- 1...Sxa6
- 2.Qxd5#
- 1...Ba2
- 2.Rxd2#
- 1...Bc3
- 2.bxc3#
- 1...Se3
- 2.Qf6#
- 1...Se5
- 2.Qc5#
- 1...Sb5
- 2.Qxd5#
- threat
- 1.Kh8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- B(a);N_PINR(B)::R(B),XB(b)
- B(a);CHECK,XR(B)::S(F),XB(a)
- B(b);N_GUARD::QAR2(I),XP(d)
- B(b);OGATE::P(A),XB(b)
- B(b);N_GUARD,XS(F)::QAR2(I),XP(d)
- S(e);N_GUARD::QAB(I)
- S(e);SBLOCK::QAB1(I)
- S(e);CHECK,N_GUARD::QAB(I),XS(e)
- S(i);N_GUARD::QAR1(I),XP(g)
- S(i);N_GUARD,XB(G)::QAR1(I),XP(g)
- Tries
- Try
- K(J);N_SPINR(B),S_FLIGHT
- Threat
- R1(B)
- Vars
- S(e);CHECK,N_GUARD::QAB(I),XS(e)
- B(a);XR(B)::S(F),XB(a)
- S(i);N_GUARD,XB(G)::QAR1(I),XP(g)
- B(a);N_GUARD::R(B),XB(b)
- B(b);OGATE::P(A),XB(b)
- S(e);N_GUARD::QAB(I)
- S(e);SBLOCK::QAB1(I)
- S(i);N_GUARD::QAR1(I),XP(g)
- Refutation
- S(e);CHECK
- Try
- S(F);N_SPINR(B)
- Threat
- DUALS(2)
- Vars
- S(e);CHECK,N_GUARD::QAB(I),XS(e)
- B(a);P_PINS(F),XR(B)::QAB1(I)
- B(a);::QAB1(I)
- S(i);::QAB1(I)
- S(i);::R1(B)
- Refutation
- S(i);XB(G)
- Try
- B(G);N_SPINR(B)
- Threat
- R1(B)
- Vars
- S(e);CHECK,N_GUARD::QAB(I),XS(e)
- B(a);P_PINB(G),XR(B)::S(F),XB(a)
- B(b);OGATE::P(A),XB(b)
- S(e);N_GUARD::QAB(I)
- S(e);SBLOCK::QAB1(I)
- Refutation
- B(a);
- Try
- P(C);CHECK
- Vars
- S(e);XP(C)::QAB(I)
- P(d);XP(C)::QAR2(I)
- Refutation
- B(b);XP(C)
- Try
- P(C);N_SPINR(B)
- Threat
- R1(B)
- Vars
- S(e);CHECK,N_GUARD::QAB(I),XS(e)
- B(a);P_PINP(C),XR(B)::S(F),XB(a)
- S(i);N_GUARD,XB(G)::QAR1(I),XP(g)
- P(d);EP,OGATEB,P_PINR(B),XP(C)::QAR2(I)
- B(a);N_GUARD::R(B),XB(b)
- B(b);OGATE::P(A),XB(b)
- S(e);N_GUARD::QAB(I)
- S(e);SBLOCK::QAB1(I)
- S(i);N_GUARD::QAR1(I),XP(g)
- Refutation
- B(b);XS(F)
- Try
- Actual
- K(J);N_SPINR(B),P-FLIGHT
- Threat
- R1(B)
- Vars
- B(a);XR(B)::S(F),XB(a)
- S(i);N_GUARD,XB(G)::QAR1(I),XP(g)
- B(a);N_GUARD::R(B),XB(b)
- B(b);OGATE::P(A),XB(b)
- S(e);N_GUARD::QAB(I)
- S(e);SBLOCK::QAB1(I)
- S(i);N_GUARD::QAR1(I),XP(g)
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