MESON Chess Problem Database
Problem Display
PID: 227331 (6K1/Q5p1/2pRP3/3q2B1/b1pN4/r1Pk1P1R/4N3/n2B4 w - - 0 1)
Wrobel, Marian
Die Schwalbe, 1928
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Qxe6+
- 2.Sxe6#
- 1...Qxd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Qa5
- 2.Sb5#
- 1...Qb5
- 2.Sxb5#
- 1...Qf5
- 2.Sxf5#
- 1...Qxg5
- 2.Sf5#
- 1...Sb3
- 2.Bc2#
- 1...Qxe6+
- Tries
- 1.Sc2?
- threat
- 2.Se1#
- 2.Sb4#
- 2.Qe3#
- 1...Qxd6
- 2.Se1#
- 2.Qe3#
- 1...Bxc2
- 2.Qe3#
- 1...Qd4
- 2.Se1#
- 2.Sb4#
- 2.Rxd4#
- 2.Qxd4#
- 1...Rb3
- 2.Se1#
- 2.Qe3#
- 1...c5
- 2.Se1#
- 2.Rxd5#
- 1...Sxc2!
- threat
- 1.Sb3?
- threat
- 2.Sbc1#
- 2.Sc5#
- 2.Qe3#
- 1...Qxd6
- 2.Sbc1#
- 2.Qe3#
- 1...Rxb3
- 2.Qe3#
- 1...Bxb3
- 2.Qe3#
- 1...Sxb3
- 2.Qe3#
- 1...Qd4
- 2.Sbc1#
- 2.Sc5#
- 2.Rxd4#
- 2.Qxd4#
- 1...Sc2
- 2.Sbc1#
- 2.Sc5#
- 1...c5
- 2.Sbc1#
- 2.Sxc5#
- 2.Rxd5#
- 1...cxb3!
- threat
- 1.Sb5?
- threat
- 2.Sc1#
- 2.Qe3#
- 1...Rxc3
- 2.Qe3#
- 1...Bxb5
- 2.Qe3#
- 1...cxb5
- 2.Rxd5#
- 2.Qe3#
- 1...Qd4
- 2.Sc1#
- 2.Rxd4#
- 2.Qxd4#
- 1...Sc2
- 2.Sc1#
- 1...Sb3
- 2.Qe3#
- 1...c5
- 2.Sc1#
- 2.Rxd5#
- 1...Bxd1!
- threat
- 1.Sxc6?
- threat
- 2.Sb4#
- 2.Se5#
- 2.Rxd5#
- 2.Qe3#
- 1...Qxd6
- 2.Qe3#
- 1...Bxc6
- 2.Qe3#
- 1...Qd4
- 2.Sb4#
- 2.Se5#
- 2.Rxd4#
- 2.Qxd4#
- 1...Rb3
- 2.Se5#
- 2.Rxd5#
- 2.Qe3#
- 1...Sc2
- 2.Se5#
- 1...Sb3
- 2.Sb4#
- 2.Se5#
- 2.Qe3#
- 1...Bxd1!
- threat
- 1.Sc2?
- Keys
- 1.Qa5!
- threat
- 2.Sc1#
- 1...Qxe6+
- 2.Sxe6#
- 1...Qxf3
- 2.Qf5#
- 1...Qxa5
- 2.Sb5#
- 1...Qxg5
- 2.Sf5#
- 1...Rxc3
- 2.Qxc3#
- 1...Sb3
- 2.Bc2#
- threat
- 1.Qa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- Q(f);CHECK,XP(I)::R(H)+S(F),XQ(f)
- Q(f);N_PINP(I)::R(H)+S(F)
- Q(f);N_PINP(I)::R(H)+S(F),XQ(f)
- Q(f);N_PINP(I),XB(G)::R(H)+S(F)
- S(a);N_GUARD,S_CUTB(d)::B(A)
- Tries
- Try
- S(F);P_PINQ(f)
- Threat
- DUALS(3)
- Vars
- B(d);XS(F)::QAR1(J)
- Refutation
- S(a);XS(F)
- Try
- S(F);P_PINQ(f)
- Threat
- DUALS(3)
- Vars
- R(b);XS(F)::QAR1(J)
- B(d);XS(F)::QAR1(J)
- S(a);XS(F)::QAR1(J)
- Refutation
- P(e);XS(F)
- Try
- S(F);P_PINQ(f)
- Threat
- DUALS(2)
- Vars
- R(b);XP(C)::QAR1(J)
- B(d);XS(F)::QAR1(J)
- S(a);::S(B)
- S(a);::QAR1(J)
- Refutation
- B(d);XB(A)
- Try
- S(F);P_PINQ(f),XP(g)
- Threat
- DUALS(4)
- Vars
- Q(f);N_PINP(I),N_SPINQ(f),XR(H)::QAR1(J)
- B(d);XS(F)::QAR1(J)
- S(a);::S(F)
- Refutation
- B(d);XB(A)
- Try
- Actual
- Q(J);
- Threat
- S(B)
- Vars
- Q(f);CHECK,XP(I)::R(H)+S(F),XQ(f)
- Q(f);N_PINP(I),OGATE,P_SPINQ(f),XP(D)::QAB(J)
- Q(f);N_PINP(I),XQ(J)::R(H)+S(F)
- Q(f);N_PINP(I),XB(G)::R(H)+S(F)
- R(b);OGATE,XP(C)::QAR1(J),XR(b)
- S(a);N_GUARD,S_CUTB(d)::B(A)
Developed and maintained by Brian Stephenson.
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