MESON Chess Problem Database

Problem Display
PID: 161045 (5N2/1p6/pK2Rr1B/5kpp/4b3/1Q1nRpPP/1pB5/1q1r1Nb1 w - - 0 1)

Salamanca, Tomas

Good Companions, 1923

5N2/1p6/pK2Rr1B/5kpp/4b3/1Q1nRpPP/1pB5/1q1r1Nb1

#2

10 + 13

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe6+
      • 2.Qxe6#
    • 1...Bxe3+
      • 2.Sxe3#
    • 1...Bd5
      • 2.Qxd5#
    • 1...Bc6
      • 2.Re5#
    • 1...Sf2
      • 2.Rxf3#
    • 1...Sc5
      • 2.Rxf3#
  • Tries
    • 1.Rxf6+?
      • 1...Kxf6
        • 2.Qe6#
      • 1...Ke5!
    • 1.Qd5+?
      • 1...Se5
        • 2.Qxe4#
        • 2.Qxe5#
      • 1...Bxd5!
    • 1.Qb5+?
      • 1...Bd5
        • 2.Qxd5#
      • 1...Sc5
        • 2.Rxf3#
      • 1...Se5
        • 2.Qxe5#
      • 1...axb5!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qxe4#
      • 1...Rxe6+
        • 2.Qxe6#
      • 1...Bxe3+
        • 2.Sxe3#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Bc6
        • 2.Re5#
      • 1...Sf2
        • 2.Rxf3#
      • 1...Sc5
        • 2.Rxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(l);CHECK,OGATE,XR(H)::QAB1(C),XR(l)
    • B(c);CHECK,P_PINR(H),XR(D)::S(A),XB(c)
    • B(g);N_GUARD,P_SPINS(e)::QAR2(C),XB(g)
    • B(g);OGATE,P_SPINS(e)::R1(H)
    • S(e);N_PINR(D),P_PINR(H),P_SPINB(g)::R(D),XP(f)
  • Tries
    • Try
      • R(H);CHECK,XR(l)
      • Vars
        • K(h);P-FLIGHT,XR(H)::QAR1(C)
      • Refutation
        • K(h);P-FLIGHT,P_SPINB(g)
    • Try
      • Q(C);CHECK
      • Refutation
        • B(g);P_SPINS(e),XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • B(g);N_GUARD,P_SPINB(g),P_SPINS(e)::QAR2(C),XB(g)
        • S(e);N_PINR(D),P_PINR(H),P_SPINB(g),P_SPINS(e)::R(D),XP(f)
        • S(e);N_GUARD,P_SPINB(g),P_SPINS(e)::QAR1(C),XS(e)
      • Refutation
        • P(k);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C),XB(g)
    • Vars
      • R(l);CHECK,OGATE,XR(H)::QAB1(C),XR(l)
      • B(c);CHECK,P_PINR(H),XR(D)::S(A),XB(c)
      • B(g);N_GUARD,P_SPINS(e)::QAR2(C),XB(g)
      • B(g);OGATE,P_SPINS(e)::R1(H)
      • S(e);N_PINR(D),P_PINR(H),P_SPINB(g)::R(D),XP(f)
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