MESON Chess Problem Database
Problem Display
PID: 242942 (4nR2/1p4B1/6P1/4Npp1/1Q1p1kpq/1n1P1PR1/r3PKPP/2N5 w - - 0 1)
Paslack, Rainer
Schweizerische Schachzeitung, 1991
#2
13 + 10
SOLUTION
- SOUND
- Sets
- 1...Qxg3+
- 2.hxg3#
- 1...Qxh2
- 2.Rxg4#
- 1...Qh6
- 2.Rxg4#
- 1...Qh7
- 2.Rxg4#
- 1...Qh8
- 2.Rxg4#
- 1...Ra1
- 2.e3#
- 1...Rxe2+
- 2.Sxe2#
- 1...Ra3
- 2.e3#
- 1...Ra4
- 2.e3#
- 1...Ra5
- 2.e3#
- 1...Ra6
- 2.e3#
- 1...Ra7
- 2.e3#
- 1...Ra8
- 2.e3#
- 1...Sa1
- 2.Qxd4#
- 1...Sxc1
- 2.Qxd4#
- 1...Sd2
- 2.e3#
- 1...Sa5
- 2.Qxd4#
- 1...Qxg3+
- Tries
- 1.Sc4?
- threat
- 2.Be5#
- 1...Qxg3+
- 2.hxg3#
- 1...Rxe2+
- 2.Sxe2#
- 1...Sxg7
- 2.Qd6#
- 1...Qh8
- 2.Rxg4#
- 1...Sf6
- 2.Qd6#
- 1...Ra5!
- threat
- 1.Sxg4?
- threat
- 2.Be5#
- 1...Qxg3+
- 2.hxg3#
- 1...Rxe2+
- 2.Sxe2#
- 1...Qxg4
- 2.Rxg4#
- 1...Sxg7
- 2.Qd6#
- 1...Ra5
- 2.e3#
- 1...Sf6
- 2.Qd6#
- 1...Qh8!
- threat
- 1.Sc6?
- threat
- 2.Be5#
- 1...Qxg3+
- 2.hxg3#
- 1...Rxe2+
- 2.Sxe2#
- 1...Sxg7
- 2.Qd6#
- 1...Qh8
- 2.Rxg4#
- 1...Ra5
- 2.e3#
- 1...Sf6
- 2.Qd6#
- 1...bxc6!
- threat
- 1.Sf7?
- threat
- 2.Be5#
- 1...Qxg3+
- 2.hxg3#
- 1...Rxe2+
- 2.Sxe2#
- 1...Sxg7
- 2.Qd6#
- 1...Ra5
- 2.e3#
- 1...Sf6
- 2.Qd6#
- 1...Qh8!
- threat
- 1.Sc4?
- Keys
- 1.Sd7!
- threat
- 2.Be5#
- 1...Qxg3+
- 2.hxg3#
- 1...Rxe2+
- 2.Sxe2#
- 1...Sxg7
- 2.Qd6#
- 1...Qh8
- 2.Rxg4#
- 1...Ra5
- 2.e3#
- 1...Sf6
- 2.Qd6#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 13
- Sets
- Q(f);CHECK,OGATE,XR(H)::P(E),XQ(f)
- Q(f);N_PINR(H),XP(E)::R1(H),XP(e)
- Q(f);N_PINR(H)::R1(H),XP(e)
- R(a);N_PINP(B)::P(B)
- R(a);CHECK,XP(B)::S(A),XR(a)
- S(b);N_GUARD::QAR2(I),XP(c)
- S(b);N_GUARD,XS(A)::QAR2(I),XP(c)
- S(b);N_PINP(B)::P(B)
- Tries
- Try
- S(J);N_PINP(c),P_PINP(g)
- Threat
- B(L)
- Vars
- Q(f);CHECK,OGATE,XR(H)::P(E),XQ(f)
- R(a);CHECK,XP(B)::S(A),XR(a)
- S(j);N_GUARD,XB(L)::QAB(I)
- Q(f);N_PINR(H)::R1(H),XP(e)
- S(j);N_GUARD,N_SPINP(g)::QAB(I)
- Refutation
- R(a);N_PINP(B)
- Try
- S(J);XP(e)
- Threat
- B(L)
- Vars
- Q(f);CHECK,OGATE,XR(H)::P(E),XQ(f)
- R(a);CHECK,XP(B)::S(A),XR(a)
- Q(f);N_PINR(H),XS(J)::R1(H),XQ(f)
- S(j);N_GUARD,XB(L)::QAB(I)
- R(a);N_PINP(B)::P(B)
- S(j);N_GUARD::QAB(I)
- Refutation
- Q(f);N_PINR(H)
- Try
- S(J);
- Threat
- B(L)
- Vars
- Q(f);CHECK,OGATE,XR(H)::P(E),XQ(f)
- R(a);CHECK,XP(B)::S(A),XR(a)
- S(j);N_GUARD,XB(L)::QAB(I)
- Q(f);N_PINR(H)::R1(H),XP(e)
- R(a);N_PINP(B)::P(B)
- S(j);N_GUARD::QAB(I)
- Refutation
- P(i);XS(J)
- Try
- S(J);
- Threat
- B(L)
- Vars
- Q(f);CHECK,OGATE,XR(H)::P(E),XQ(f)
- R(a);CHECK,XP(B)::S(A),XR(a)
- S(j);N_GUARD,XB(L)::QAB(I)
- R(a);N_PINP(B)::P(B)
- S(j);N_GUARD::QAB(I)
- Refutation
- Q(f);N_PINR(H)
- Try
- Actual
- S(J);
- Threat
- B(L)
- Vars
- Q(f);CHECK,OGATE,XR(H)::P(E),XQ(f)
- R(a);CHECK,XP(B)::S(A),XR(a)
- S(j);N_GUARD,XB(L)::QAB(I)
- Q(f);N_PINR(H)::R1(H),XP(e)
- R(a);N_PINP(B)::P(B)
- S(j);N_GUARD::QAB(I)
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