MESON Chess Problem Database

Problem Display
PID: 231415 (1b2R3/3p1Q2/2N1brr1/2Bn2p1/3P3p/1K2k1P1/2P4R/7B w - - 0 1)

Schoblocher, Miklos

Nepszava, 1927

1b2R3/3p1Q2/2N1brr1/2Bn2p1/3P3p/1K2k1P1/2P4R/7B

#2

10 + 9

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rf2
      • 2.Qxf2#
    • 1...Rf3
      • 2.Qxf3#
    • 1...Be5
      • 2.dxe5#
    • 1...Sc3+
      • 2.d5#
    • 1...Sb4+
      • 2.d5#
    • 1...Sf4+
      • 2.d5#
    • 1...Sb6+
      • 2.d5#
    • 1...Sc7+
      • 2.d5#
    • 1...Se7+
      • 2.d5#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Sxd5#
      • 1...Sc3+
        • 2.d5#
      • 1...Sxb4+
        • 2.d5#
      • 1...Sf4+
        • 2.d5#
      • 1...Sb6+
        • 2.d5#
      • 1...Sc7+
        • 2.d5#
      • 1...Se7+
        • 2.d5#
      • 1...Rf2
        • 2.Qxf2#
      • 1...Rf3
        • 2.Qxf3#
      • 1...Be5
        • 2.dxe5#
      • 1...Rf5!
    • 1.Se5?
      • threat
        • 2.Sc4#
        • 2.Sg4#
      • 1...Sc3+
        • 2.Sc4#
        • 2.d5#
      • 1...Sb4+
        • 2.Sc4#
        • 2.d5#
      • 1...Sf4+
        • 2.Sc4#
        • 2.d5#
      • 1...Sb6+
        • 2.d5#
      • 1...Sc7+
        • 2.Sc4#
        • 2.d5#
      • 1...Se7+
        • 2.d5#
      • 1...Bxe5
        • 2.dxe5#
      • 1...Rf2
        • 2.Qxf2#
      • 1...Rf3
        • 2.Qxf3#
      • 1...Rf4
        • 2.Sc4#
      • 1...Bg4
        • 2.Sc4#
        • 2.Sxg4#
      • 1...g4
        • 2.Sc4#
      • 1...hxg3!
    • 1.Rxe6+?
      • 1...Rxe6
        • 2.Qf2#
        • 2.Qf3#
      • 1...Be5
        • 2.Rxe5#
        • 2.dxe5#
      • 1...dxe6!
  • Keys
    • 1.Se7!
      • threat
        • 2.Sxd5#
      • 1...Sc3+
        • 2.d5#
      • 1...Sb4+
        • 2.d5#
      • 1...Sf4+
        • 2.d5#
      • 1...Sb6+
        • 2.d5#
      • 1...Sc7+
        • 2.d5#
      • 1...Sxe7+
        • 2.d5#
      • 1...Rf2
        • 2.Qxf2#
      • 1...Rf3
        • 2.Qxf3#
      • 1...Rf5
        • 2.Sxf5#
      • 1...Be5
        • 2.dxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(f);OGATE::QAB1(I),XR(f)
    • R(f);OGATE::QAR1(I),XR(f)
    • B(i);N_SPINB(e),OGATE::B(G)+P(F),XB(i)
    • S(c);CHECK,OGATE::B(G)+P(F)
    • S(c);CHECK,N_SPINB(e),OGATE::B(G)+P(F)
  • Tries
    • Try
      • S(H);
      • Threat
        • S(H),XS(c)
      • Vars
        • S(c);CHECK,OGATE::B(G)+P(F)
        • S(c);CHECK,OGATE,XS(H)::B(G)+P(F)
        • S(c);CHECK,N_SPINB(e),OGATE::B(G)+P(F)
        • R(f);OGATE::QAB1(I),XR(f)
        • R(f);OGATE::QAR1(I),XR(f)
        • B(i);N_SPINB(e),OGATE::B(G)+P(F),XB(i)
      • Refutation
        • R(f);
    • Try
      • S(H);N_PINB(e)
      • Threat
        • DUALS(2)
      • Vars
        • S(c);CHECK,OGATE::B(G)+P(F)
        • B(i);OGATE,XS(H)::B(G)+P(F),XB(i)
        • R(f);OGATE::QAB1(I),XR(f)
        • R(f);OGATE::QAR1(I),XR(f)
        • R(f);::S(H)
        • P(d);::S(H)
      • Refutation
        • P(b);XP(E)
    • Try
      • R(J);CHECK,XB(e)
      • Refutation
        • P(h);XR(J)
  • Actual
    • S(H);N_PINB(e)
    • Threat
      • S(H),XS(c)
    • Vars
      • S(c);CHECK,OGATE::B(G)+P(F)
      • S(c);CHECK,OGATE,XS(H)::B(G)+P(F)
      • R(f);OGATE::QAB1(I),XR(f)
      • R(f);OGATE::QAR1(I),XR(f)
      • R(f);N_GUARD::S(H),XR(f)
      • B(i);OGATE::B(G)+P(F),XB(i)
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