MESON Chess Problem Database
Problem Display
PID: 43036 (n2R4/n5b1/8/r2pNK2/p1Pk1p1R/Q2pN3/1P1B4/1b3r2 w - - 0 1)
Wielgos, Oskar
1st HM., Schweizerische Arbeiter Schachzeitung, 1962
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Sf3#
- 2.Rxf4#
- 1...Rd1
- 2.Sf3#
- 2.Rxf4#
- 1...Re1
- 2.Sf3#
- 2.Rxf4#
- 1...Rg1
- 2.Sf3#
- 2.Rxf4#
- 1...Rh1
- 2.Sf3#
- 2.Rxf4#
- 1...Rf3
- 2.Sxf3#
- 1...Rc5
- 2.Qc3#
- 1...Ra6
- 2.Rxd5#
- 1...Sb5
- 2.Sc6#
- 2.Rxd5#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sc6#
- 1...Rc1
- Tries
- 1.Sd1?
- threat
- 2.Bc3#
- 2.Be3#
- 1...Rxd1
- 2.Rxf4#
- 1...Re1
- 2.Bc3#
- 1...Rf3
- 2.Bc3#
- 1...Sb5
- 2.Be3#
- 2.Rxd5#
- 1...Bxe5!
- threat
- 1.Sxf1?
- threat
- 2.Bc3#
- 2.Be3#
- 2.Rxf4#
- 1...Bh6
- 2.Bc3#
- 2.Be3#
- 1...Sb5
- 2.Be3#
- 2.Rxf4#
- 2.Rxd5#
- 1...Bxe5!
- threat
- 1.Sc2+?
- 1...dxc2
- 2.Be3#
- 2.Qe3#
- 1...Bxc2!
- 1...dxc2
- 1.Sg2?
- threat
- 2.Bc3#
- 2.Be3#
- 1...Rc1
- 2.Be3#
- 2.Rxf4#
- 1...Re1
- 2.Bc3#
- 1...Rf3
- 2.Bc3#
- 1...Sb5
- 2.Be3#
- 2.Rxd5#
- 1...Bxe5!
- threat
- 1.Sxd5?
- threat
- 2.Bc3#
- 2.Be3#
- 1...Rxd5
- 2.Rxd5#
- 1...Rc1
- 2.Be3#
- 2.Rxf4#
- 1...Re1
- 2.Bc3#
- 1...Rf3
- 2.Bc3#
- 1...Sb5
- 2.Be3#
- 1...Bxe5!
- threat
- 1.Sxd3?
- threat
- 2.Qc3#
- 1...Rc1
- 2.Rxf4#
- 1...Sb5
- 2.Rxd5#
- 1...Bxd3+!
- threat
- 1.S5g4?
- threat
- 2.Bc3#
- 1...fxe3+
- 2.Sf2#
- 1...Sb5
- 2.Rxd5#
- 1...Rc1!
- threat
- 1.Rh3?
- threat
- 2.Bc3#
- 1...Rc1
- 2.Sf3#
- 1...Rf3
- 2.Sxf3#
- 1...Sb5
- 2.Sc6#
- 2.Rxd5#
- 1...f3
- 2.Rh4#
- 1...fxe3+!
- threat
- 1.Rc8?
- threat
- 2.Qc3#
- 1...Sxc8
- 2.Sc6#
- 1...Rc1
- 2.Sf3#
- 2.Rxf4#
- 1...Sb5
- 2.Sc6#
- 2.Qc5#
- 1...Sc6
- 2.Sxc6#
- 1...Sc7!
- threat
- 1.b4?
- threat
- 2.Qb2#
- 2.Qa1#
- 2.Qc3#
- 1...Rc1
- 2.Sf3#
- 2.Rxf4#
- 1...Ba2
- 2.Qb2#
- 2.Qc3#
- 2.Qxd3#
- 1...Bc2
- 2.Qb2#
- 2.Qc3#
- 1...Sb5
- 2.Sc6#
- 2.Rxd5#
- 1...axb4 ep!
- threat
- 1.cxd5?
- threat
- 2.Qb4#
- 2.Qc3#
- 1...Rc1
- 2.Sf3#
- 2.Rxf4#
- 1...Rb5
- 2.Qc3#
- 1...Ba2
- 2.Qc3#
- 1...Bf8
- 2.Qc3#
- 1...Sb5
- 2.Sc6#
- 2.Qb4#
- 1...Sc6
- 2.Sxc6#
- 2.Qc3#
- 1...Sb6
- 2.Qc3#
- 1...Rc5!
- threat
- 1.c5?
- threat
- 2.Rxd5#
- 2.Qb4#
- 2.Qc3#
- 1...Rc1
- 2.Sf3#
- 2.Rxf4#
- 2.Rxd5#
- 1...Rb5
- 2.Rxd5#
- 2.Qc3#
- 1...Ba2
- 2.Qc3#
- 1...Sb5
- 2.Sc6#
- 2.Rxd5#
- 2.Qb4#
- 1...Sc6
- 2.Sxc6#
- 2.Rxd5#
- 2.Qc3#
- 1...Sb6
- 2.Qc3#
- 1...Sc7
- 2.Qb4#
- 2.Qc3#
- 1...Rxc5!
- threat
- 1.Sd1?
- Keys
- 1.Sd7!
- threat
- 2.Qc3#
- 1...dxc4+
- 2.Sc5#
- 1...Rc1
- 2.Rxf4#
- 1...Sb5
- 2.Qc5#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(b);N_GUARD::S(G),XR(b)
- R(g);SBLOCK::QAB1(C)
- R(g);N_GUARD::R1(I),XP(h)
- S(i);N_GUARD::S(G),XS(i)
- S(i);N_GUARD::S(G)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD,XS(D)::R(F),XP(f)
- R(b);::B(B)
- Refutation
- B(j);XS(G)
- Try
- S(D);XR(b)
- Threat
- DUALS(3)
- Refutation
- B(j);XS(G)
- Try
- S(D);CHECK
- Refutation
- B(a);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(b);::B(B)
- Refutation
- B(j);XS(G)
- Try
- S(D);XP(h)
- Threat
- DUALS(2)
- Vars
- R(g);OGATE,P_PINS(G),P_SPINR(g),XS(D)::R1(I),XR(g)
- R(b);::B(B)
- S(i);::B(B)
- Refutation
- B(j);XS(G)
- Try
- S(G);P_SPINS(G),XP(c)
- Threat
- QAB1(C)
- Vars
- R(b);N_GUARD::R(F),XP(f)
- S(i);S_CUTR(g)::R1(I),XP(h)
- Refutation
- B(a);CHECK,XS(G)
- Try
- S(G);N_PINP(f),P_PINP(h)
- Threat
- B(B)
- Vars
- P(f);CHECK,XS(D)::R(F)+S(G)
- S(i);S_CUTR(g)::R1(I),XP(h)
- Refutation
- R(b);
- Try
- R(F);N_PINP(f),P_PINP(h)
- Threat
- B(B)
- Vars
- R(b);N_GUARD::S(G)
- R(b);N_GUARD::S(G),XR(b)
- P(f);OGATEB::R(F)
- Refutation
- P(f);CHECK,XS(D)
- Try
- R(I);
- Threat
- QAB1(C)
- Vars
- S(i);N_GUARD,XR(I)::S(G)
- S(i);N_GUARD::S(G),XS(i)
- Refutation
- S(k);
- Try
- P(A);
- Threat
- DUALS(3)
- Refutation
- P(d);EP,XP(A)
- Try
- P(E);XP(h)
- Threat
- DUALS(2)
- Vars
- R(g);::QAB1(C)
- B(a);::QAB1(C)
- B(j);::QAB1(C)
- S(k);::QAB1(C)
- Refutation
- R(g);
- Try
- P(E);
- Threat
- DUALS(3)
- Vars
- B(a);::QAB1(C)
- S(k);::QAB1(C)
- Refutation
- R(g);XP(E)
- Try
- Actual
- S(G);
- Threat
- QAB1(C)
- Vars
- P(h);CHECK,XP(E)::R(I)+S(G)
- R(b);N_GUARD::R(F),XP(f)
- S(i);S_CUTR(g)::QAB1(C)
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